Classification Of Living Things Kingdoms
As we have already seen, all living things are currently divided into six kingdomsthe largest and least specific groups in the hierarchy. What are the 5 Kingdoms of. There are six kingdoms. How Are Animals Classified? By Jay W. Phylum The phylum is the next level following kingdom in the classification of living things. It is a great shortcoming of five kingdom classification. The History of Classification. This domain is characterized by ancient bacteria that can live in extreme environments, such as volcanoes. What is Taxonomy Taxonomy is a system of classification used by scientists to separate living things into different categories. The highest category of classification is the kingdom. Multicellular and Eukaryotic. 2 kingdom classification is the classification of all living organisms into Kingdom Plantae and Kingdom Animalia. Every living thing comes under one of these 6 kingdoms. The kingdoms are then split up into a large number of smaller groups called phyla (singular: phylum). In this classification worksheet, students will review vocabulary words associated with the organization of living things which includes kingdom, phylum, class, order, family, genus, and species. Biological Classification is the way scientists use to categorize and organize all of life. Inside the library, books are. Include the kingdom names and characteristics, the reason the classification system was created, and any other information pertinent to your understanding of this lesson. Animals belong to the largest and most diverse of the five kingdoms of living things. At present, most involved people classify all living and extinct organisms into either a five-kingdom system, or into a four-kingdom system. Animals get their energy from other living things. This classification was made based upon certain characters like cell structure, thallus organization, mode of nutrition, reproduction and phylogenetic relationships. Carl Woese pioneered the use of gene sequencing, discovered a third domain of life, and upended an entire field. On the basis of presence or absence of flowers, all the plants are divided into two major sub-kingdoms: cryptogams and phanerogams. Which grouping of organisms is considered to have the greatest amount of diversity? a. Pull Pull A classification system makes it easier. scientists are far from finishing the naming of living things and are once again being overwhelmed by an explosion of new species and. The kingdom is the third taxonomic rank in the biological classification system. Taxonomists--biologists who specialize in identifying and classifying life on our planet--have named approximately 1. pptx Author: Jennifer Sulfridge Created Date:. ) Alternately, ongoing charts can, and should, be posted for students to record developing vocabulary, "burning. Home » Biology MCQs | Quiz » Diversity of Living Organisms » The Living World: Biological Classification – MCQs Quiz – 2 Recent Comments Nisarg Mehetre on Cells: The basic unit of life – MCQ Quiz – 1. All the members of phylum is broken down into classes, classes into order; orders into families, families into genera (singular: genus) and genera into species. The 2 main kingdoms we think about are animals and plants. classification kingdom phylum class order family genus species domain. It groups living things according to the structural. Hope someone finds this useful :-). There are 5 or 6 kingdoms in taxonomy. Biologists, such as Ernst Haeckel (1894), Robert Whittaker (1959) and Carl Woese (1977) have tried to classify all living organisms into broad categories, called kingdoms. Living kingdoms magine how difﬁcult it would be to identify one of the millions of living things in the world if people couldn’t agree on one system for classifying (or grouping) them. 6 million species of living organisms. What is the only Eukaryotic Kingdom that is unicellular? Protista. Living organisms required to move and respond to external stimuli to perform the vital activities. The members of each group of living things share a set of special features unique to that group. In essence, this kingdom is designated for organisms which do not belong in any other kingdom. His classification was a two-kingdom system, which had a number of demerits. The highest category in the Linnaean system of classification is the kingdom. Project the worksheet onto the board either through a projector or PowerPoint presentation. Multicellular and Eukaryotic. Give each student a "Five Kingdoms of Life" worksheet. The five kingdom classification of living organisms took a lot into consideration and is till now the most efficient system. Aristotle (384-322 BC) classified animal species in his History of Animals, while his pupil Theophrastus (c. What kingdom’s organisms have eukaryotic cells, are multicellular, and autotrophic? Plantae 12. Numerous living organisms are exist on the earth. Each year, about 13,000 new species are added to the list of known. These are known as KINGDOMS. The correct order used in present classification of organisms is a. The highest level of classification is the Domain. 318 All living things on Earth can be classified in six kingdoms. Choose from 500 different sets of classification living things 2 kingdoms flashcards on Quizlet. Define kingdom. All living things fall into one of five kingdoms. Taxonomy - Taxonomy - A classification of living organisms: Recent advances in biochemical and electron microscopic techniques, as well as in testing that investigates the genetic relatedness among species, have redefined previously established taxonomic relationships and have fortified support for a five-kingdom classification of living organisms. Linnaeus later classified all living organisms into two kingdoms – Plantae and Animalia. 6 Discuss distinguishing characteristics of the domains and kingdoms of living organisms. Animals that have backbones are called vertebrates. Classification of animals is termed as Kingdom Animalia. To help students get a general understanding of this classification system, explain that scientists have grouped millions of plants and animals into just six large "kingdoms. At present, there are five known kingdoms. The science of classification, in biology the arrangement of organisms into a classification "The science of classification as applied to living organisms, including study of means of formation of species, etc. This is called classification. More Classification Quizzes. From the tiniest bacterium to the largest blue whale, all living organisms are classified by their characteristics. KINGDOMS OF LIVING THINGS IN THE LINNAEAN CLASSIFICATION SYSTEM KINGDOM STRUCTURAL ORGANIZATION METHOD OF NUTRITION TYPES OF ORGANISMS NAMED SPECIES TOTAL SPECIES (estimate) Monera small, simple single prokaryotic cell (nucleus is not enclosed by a membrane); some form chains or mats absorb food bacteria, blue-green algae, and spirochetes 4,000. Animals that have backbones are called vertebrates. A living organism is an individual entity that propagates the properties of life | Here we will discuss Living Organisms Definition, Characteristics, Types. The Classification of Eukaryotes 1 The Classification of Living Things An original lesson by Jessica Vergara Focus on Inquiry The student will explore various types of organisms, and collaborate with peers to create a system (model) of classifying those organisms. The two lowest classifications, genus and species will be looked at in detail. environment; likes it damp and dark (ex. Learn about the parts of a plant and the plant life cycle. Characteristics and Classification of Life Study Guide 1. Humans are members of Kingdom Animalia. Five Kingdoms of Living Things Research Worksheet 33 _____ Characteristics of Five Types of Vertebrates Worksheet 25 _____ Editing Five Types (subtract one point for each error) 10 _____ Animal Research Data Form 20 _____. Today it is customary to use a classification system that uses five kingdoms,. Classification of Living Things Worksheet. with a Dichotomoue Keg Look at the pictured below. There is an example of how to break things down into smaller categories, and then there is an example of a scientific classification for an item. Can you make a sentence using the first letter of each classification subgroup? * TAXONOMY--the branch of science that classifies and names living things. Science is all about classification, and the animal kingdom has two basic groups: those without backbones, invertebrates, and those with backbones, vertebrates. The first or top level of the classification system is the domain. Photosynthesis. ) Alternately, ongoing charts can, and should, be posted for students to record developing vocabulary, "burning. Congratulations! We hope this assignment has helped you to better understand the system for the classification of living things. Within the domain, Eukarya, there are four kingdoms: Plants, Animals, Protists, and Fungi. According to the Carl Linnaeus system of classification, the 5 kingdoms of living things are Monera, Protista, Fungi, Plantae and Animalia. Since the dawn of civilisation, there have been many attempts to classify living organisms. Biological classification of plants and animals was first proposed by Aristotle on the basis of simple morphological characters. Livings things can respond to stimuli III. They cannot perform vital functions (nutrition, interaction, reproduction) on their own. Alternative Classifications of Life Five Kingdoms versus Three Domains. org, is a science for K-12 with 5,000 pages vibrantly illustrated science models, posters, activities, experiments, investigations, movies, games and worksheets. As such there is no need for specific phenotypic features to group lineages together but only the recognition of their phylogenetic relationship. Taxonomy attempts to organize all of these organisms into increasingly smaller & smaller groups until you are left with a group of all the same type of organism (namely, a species). Here they are, with their defining characteristics & some examples. CLASSIFICATION OF LIVING ORGANISMS More Kingdom Protista phyla Phylum Phaeophyta - brown algae, multicellular and live in marine, temperate zone, coastal areas (kelp) Phylum Chlorophyta - green algae (Volvox, Spirogyra) Phylum Ciliophora - solitary, fresh water organisms and use cilia to move (Paramecium). Classification Grouping things by a set of rules. Living things notice and react to changes in. What are the 5 Kingdoms of. Palomar College's tutorial, The Classification of Living Things is worth exploring. The Tree of Life Web Project (ToL) is a collaborative effort of biologists and nature enthusiasts from around the world. Type in the following link to get there. Animals make up one of five kingdoms in the natural world. They are Prokarya, Animalia, Plantae, Fungi and Protoctista. The highest category of classification is the kingdom. Protozoan (on algae, 100X mag. Organisms found in the Fungi Kingdom are heterotrophic. The term is derived from the Greek taxis (“arrangement”) and nomos (“law”). There is a quiz page for Animal Classes and a page on Classification of Living Things with free printables, hand outs and teaching aids and a beautiful Animal Kingdom diagram. Until comparatively recently, living organisms were divided into two kingdoms: animal and vegetable, or the Animalia and the Plantae. Biologists, such as Ernst Haeckel (1894), Robert Whittaker (1959) and Carl Woese (1977) have tried to classify all living organisms into broad categories, called kingdoms. Taxonomy is the branch of biology that classifies all living things. Biologists since the time of Aristotle (384-322 BC) have divided the living world into two kingdoms, Plants and animals. Protista: 3. There are five: Animal - Plant - Fungi - Monera - Protista. Possible Earned. " As can be readily seen, higher classification of living things is difficult primarily because of the complexity of mostly microscopic organisms and thus the general public will probably find the discussions tough going. Read the first two paragraphs aloud and ask students why scientists group plants and animals (to help them understand and study the world's vast array of living things). Powered by Create your own unique website with customizable templates. Living things are able to move about. domain, kingdom, phylum or division, class, genus, species) based on shared characteristics or on phylogenetic relationships inferred from the fossil record or established by genetic analysis. This worksheet has 5 fill in the blank. " "The analysis of an organism's characteristics for the purpose of classification". Each level of the classification system is called a taxa. He believed he could: Put every organism into a group (the science of TAXONOMY) Give every organism a name (the science of NOMENCLATURE). The classification is based on. Classification of Living Things. It is a great shortcoming of five kingdom classification. Classification of Living Things Test Atlantic Union Conference Teacher Bulletin www. vegetables). Hence are called "prokaryotes". To describe the three domains of the three-domain system of classification. Every living thing comes under one of these kingdoms and some symbionts, such as lichen, come under two. Classification of Living Things - System of Classification (Two kingdom, Three kingdom, Four kingdom, Five kingdom and Eight kingdom) The term taxonomy was coined by De Condolle. Six Kingdoms All organisms are currently placed into one of six kingdoms of living things. BIO 10 - Biology Lab; Tuesday: 15:00 hours to 17:50 hours. 318 All living things on Earth can be classified in six kingdoms. An example of Classification Biological classification works a bit like the library does. Organ systems form complex organisms. He classified all living organisms into two kingdoms - on the basis of nutrition and locomotion (mobility). information. Kingdom definition, a state or government having a king or queen as its head. This is called the five kingdom proposal and was introduced by Robert Whittaker in 1968 as a way to categorise all organisms. The institution of the classification level of domain was prompted by: A) Of the six kingdoms now. Plantae (plants): 4. Today we are still using the essence of the system he developed, but scientists are constantly refining the system based on new knowledge. Some of the worksheets for this concept are Unit 2 living things, Kingdoms of classification, Name score classification, Whats in a name, Activity 3 six kingdoms brochure, 3rd grade lesson plan kingdom animalia, Biological classification work, Unit 1 characteristics and. Define phylogeny. Kingdoms The first division of living things in the classification system is to. For example, by eating meat (other animals such as cows), fish or plants (e. The way we classify animals and plants was created by a scientist named Linnaeus. Eubacteria –. Districts are encouraged to customize this lesson by supplementing with district-approved resources, materials, and activities to best meet the needs of learners. These things can be classified as living or non-living. The Linnaean System is based on a simple hierarchical structure in which organisms are sorted using the nomenclature of Kingdom, Phylum, Class, Order, Family, Genus and Species. Classifying. They are very primitive single celled organisms that live in harsh 2. KEY CHARACTERISTICS. , Plant kingdom and Animalia, i. This is the kingdom of organisms with strange, atypical characteristics. Can you name the Taxonomy: Classification of Living Things? Test your knowledge on this science quiz to see how you do and compare your score to others. Project the worksheet onto the board either through a projector or PowerPoint presentation. As such there is no need for specific phenotypic features to group lineages together but only the recognition of their phylogenetic relationship. These are nothing but divisions in which animals/organisms with the same characteristics are included under them. Six Kingdoms Plantae • Plants are multicellular and live on land. Each one of these characteristics. euglena and chlamydomonas cant be regarded as a plant or animal. So far over two million animal species have been identified. A "kingdom" in biology is a classification of living things. Getting to Know the Trees. Domains • Domains are the broadest taxonomic classification of living organisms • The three Domains: Archaea Bacteria Eukarya 10 11. This classification system is rooted in the work of Carolus Linnaeus, who is known as the father of modern taxonomy. PLANTS : Parts of a Plant. Classification of Living Things Lesson Plan (but this may make it easier and more fun for students in the 'tough' kingdom groups). Carl Linnaeus was regarded as the father of classification (taxonomy). Knowing how the datil yucca fits into a classification system, we can more clearly understand its biological place among the living things of our desert. All living things fall into one of five kingdoms. However, advances in science such as the invention of powerful microscopes have increased the. In the 18th century, Carl Linnaeus published a system for classifying living things, which has been developed into the modern classification system. They absorb nutrients through the cell wall or produce their own by photosynthesis. Scientist have developed a system for the classification of living things (taxonomy) that groups like organisms together based upon common characteristics. Lesson plan and background information are included. Organisms are grouped into kingdoms based on the certain characteristics including cell type, cell walls, body type, and nutrition. There are five different kingdoms to classify life on Earth, which are Animals, Plants, Fungi, Bacteria, and Protists (single-celled organisms). Define phylogeny. KEY CHARACTERISTICS. So we have this really big group of living things that exist on earth. Discover the 8 levels of animal classification. (Example: All animals in the class Reptilia breathe air, lay shelled eggs, and have skin covered in scales. To explain why the three-domain system may need revision in the future. · Understand why living things are organized for study · · Describe Linnaeus’s system of classification (Kingdom TEST Classification- Chapter 18. In order to make their job easier, scientists classify living things into groups and smaller subgroups, based on how they are the same, and how they are different. Currently there are five kingdoms in which all living things are divided: Monera Kingdom , Protist Kingdom , Fungi Kingdom , Plant Kingdom , and Animal Kingdom. Each of the six boxes. Viruses, prions, and other non-cellular organic entities are not included in the domains and kingdoms of living things. At present, most involved people classify all living and extinct organisms into either a five-kingdom system, or into a four-kingdom system. This is called the five kingdom proposal and was introduced by Robert Whittaker in 1968 as a way to categorise all organisms. What is five kingdom system of classification? In order to recommend a superior method of classification of living organisms, R. This is called classification. The Five Kingdoms of Living Things Print this worksheet. The process used by geologists to classify rocks d. The scientists have been divided and categorized into sections and varieties. Classification of Living Things Scientists estimate that there are between 3 million and 100 million species of organisms on Earth. Find this on Exploringnature. There is no place for viruses in five kingdom classification. At present, there are five known kingdoms. 3 Classification of Living Things Learning Objectives Explain what makes up a scientific name. biology and distinguish between living and nonliving things by describing the features that characterise living organisms Name the six kingdoms of organisms and briefly describe each Differences between Gymnosperms and Angiosperms plants Differences between monocot and dicot plants How do we divide the animal kingdom?. Anatomy deals with the study of internal structure of living organisms. Title: Classification of Living Things 1 Classification of Living Things. Crash Course Biology is now available on DVD!. Kingdoms; The most basic classification of living things is kingdoms. Explore the characteristics of domains and kingdoms used to classify living organisms with this interactive tutorial. Aimed at primary level, this resource links to the topics of plants and living things and their habitats. All living things can be grouped into five categories. Learn about the parts of a plant and the plant life cycle. Linnaeus established two kingdoms of organisms in his classification system: Plantae (the plant kingdom) and Animalia (the animal kingdom). The first or top level of the classification system is the domain. Anatomy deals with the study of internal structure of living organisms. This rich site provides. Subsequently Whittaker proposed a more systematic and elaborates. Crash Course Biology is now available on DVD!. This is a test about classifying organisms and how they are arranged into groups. Although the site still classifies living things within 5 kingdoms, Natural Perspective is still very useful. The majority of protists are microscopic. 12 A Understand that all organisms are composed of one or more cells. The Linnaean System is based on a simple hierarchical structure in which organisms are sorted using the nomenclature of Kingdom, Phylum, Class, Order, Family, Genus and Species. The domains are Archaea , Bacteria , and Eukarya. Define kingdom. Kingdoms; The most basic classification of living things is kingdoms. Task 2 - Vertebrates. Home » Lessons » Classification of Living Things II: Kingdom Plantae; Kingdom Animalia You must first complete Classification of Living Things before taking this lesson. Each living organism is classified into Kingdom - Phylum - Class - Order - Family - Genus - Species. They have also contributed enormously to the study of living beings on earth. Brusca , 5 Thomas Cavalier-Smith , 6 Michael D. Apart from the primary distinguishing features of the Animal Kingdom (Eukaryotic, Multicellular,. The classification of living things into animals and plants is an ancient one. Monera :- Organisms of this kingdom are single-celled, may or may not move, have a cell wall, have no chloroplasts or other organelles, and have no nucleus. Taxonomy is defined as the science of a. Two-Kingdom System: With the advancement of knowledge on living world, scientists classified the living organisms into two groups: Plantae, i. Hope someone finds this useful :-). Living Things How do we know is something is 'living'? All living things are characterised as being able to do seven things These are usually remembered by the mnemonic MRS NERG M R S N E R G The 7 characteristics of Living Things Movement - Animals move to find food and keep away from predators, plants move to face the light Reproduction - the ability to produce offspring to keep the. Out of the six kingdoms, Protista is the most diverse. Biologists since the time of Aristotle (384-322 BC) have divided the living world into two kingdoms, Plants and animals. Since the dawn of civilisation, there have been many attempts to classify living organisms. Classification of Organisms. Inside the library, books are. o Have students make "Who Am I?" Cards to use as a review game or play Pyramid Classification Songs. of classification. In biology there is a two-word system that is used to name organisms. Each kingdom is split into phyla. Objectives. These are nothing but divisions in which animals/organisms with the same characteristics are included under them. It groups living things according to the structural. Classifying Living Organisms Vocabulary. Palomar College's tutorial, The Classification of Living Things is worth exploring. A kingdom of single-celled, eukaryotic organisms is the: animals monerans plants protists 10. Currently there are five kingdoms. Biological specimens collected by Charles Darwin on his voyage on HMS Beagle 1831-1836 A system of classification is necessary because of the overwhelming abundance of the variety of life on earth. Though plant and animal kingdoms have been a constant under all different systems, the understanding of what groups/organisms be included under these kingdoms have been changing; the number and. all need some kind of a water-based environment--which can be fresh or marine water, snow, damp soil,. Fungi: One of the five kingdoms of living things; multi cellular or unicellular organisms with a cell wall as the outer covering and a distinct nucleus. The majority of protists are microscopic. Explore: Students watch a brief introductory video on the six Kingdoms and the basic characteristics by which organisms within the Kingdoms are classified. These five kingdom system includes – Prokaryota, Protista, Fungi, Metaphyta and Metazoa. Skills to Develop. Living Systems Test - SOL 5. Five Kingdom Classification. To divide them up, we first put them into one of five KINGDOMS. It contains nucleus. Some biologists, namely Ernst Haeckel (1894), Robert Whittaker (1959), and Carl Woese (1977) have attempted to classify all living organisms into broad categories and named them ‘Kingdoms. The phylum is the next level in the classification system and is used to group living Class. Take a look at this overview for educators of the three domains and six kingdoms model, with additional background information on cell structure, protists, bacteria, fungi, archaea, plants. Every member of the plant kingdom shares this characteristic. Characteristics and Classification of Life Study Guide 1. Classification of Living Things Scientists estimate that there are between 3 million and 100 million species of organisms on Earth. Each kingdom is split into phyla. , Plant kingdom and Animalia, i. Classification Activities ["We Do"] o Use Microscopes and Microscope Slides to view each Kingdom o Classification Kingdom Activity - Students use a dichotomous key to sort organism cards into kingdoms. For example, the full classification of a human is: Domain Eukarya Kingdom Animalia Phylum Chordata. 69% average accuracy. " "The analysis of an organism's characteristics for the purpose of classification". • Plants obtain energy from sunlight. Hope someone finds this useful :-). The scientific study of how organisms are The scientific study of how organisms are classified is called taxonomy. Each domain is subdivided into kingdoms, followed by phyla, class, order, family, genus, and species. Classification of Living Things. Explain the importance of classification of living organisms. What are the 5 characteristics of all living things? I. All living things (plants, bacteria, animals) are all made of cells. Describe the physical traits your animals had in common with one another in your taxonomy chart. Apr 3, 2019- Explore pinningteacher's board "Classifying Living Things", followed by 3722 people on Pinterest. Lots of mnemonic devices & memory devices for Biology. This makes it easy for scientists to study them. A lion is in the same genus as a house cat, (Felis), but is in the leo species in stead of the same one as a house cat. The classification of species allows the subdivision of living organisms into smaller and more specialised groups. A two-kingdom system was no longer useful. Classification of Living Things Scientists estimate that there are between 3 million and 100 million species of organisms on Earth. Characteristics and Classification of Life Study Guide 1. teacherbulletin. To explain why the three-domain system may need revision in the future. Guiry , 7 and Paul M. Classification of Living Organisms. Each kingdom contains an enormous diversity and each organism plays a specific role within the great interactive chain of life on earth. Every member of the plant kingdom shares this characteristic. Home » Lessons » Classification of Living Things II: Kingdom Plantae; Kingdom Animalia You must first complete Classification of Living Things before taking this lesson. Kingdom Classification of Living Organism. Read pages 102105 in your text, and with a partner create a chart listing the six kingdoms, with a brief description of the organisms in each one. 5 A test on living organisms, per SOL 5. com - id: 3b5b43-ZDFhN. 3 Why There is a Need for Classifying. The biggest group are Kingdom, the smallest one is Species. Learn about Hierarchy of categories/groups - kingdom, phylum, class, order, family, genus, species and binomial nomenclature. mrsscienceteacher. PDF | Original classification of living organisms containing four kingdoms (Monera, Protista, Vegetabilia and Animalia), 60 phyla and 254 classes, is presented. A "kingdom" in biology is a classification of living things. The Five Kingdoms of Life. How many kingdoms of living things are there? Name the seven levels of classification in the correct order from larges to smallest. All living organisms have the ability to produce offspring. Animals also share the characteristic that most must ingest or eat other living or decayed organic matter as food to live (or live as parasites or symbionts off of the nutrients provided by other living things) (although this trait is also shared with some of the members of the Kingdom Protoctista). In the past scientists used to classify living things into either the plant or animal kingdoms. Hierarchical classification The hierarchy can be represented as Kingdom subgrouping into Phylum for animals or Division for plants, Class, Order, Family, Genus and Species. So we have this really big group of living things that exist on earth. Animalia- Owl 1. Some members of the Kingdom Fungi (in the fungal classes Ascomycetes and Basidiomycetes) 4. At present, there are five known kingdoms. Read pages 102105 in your text, and with a partner create a chart listing the six kingdoms, with a brief description of the organisms in each one. Since the 1 960s, scientists have grouped all living things into one of five kingdoms. Linnaeus established two kingdoms of organisms in his classification system: Plantae (the plant kingdom) and Animalia (the animal kingdom). The sequence of classification categories can be remembered by memorizing: King Phillip, Come Out For Goodness Sake! Kingdom : Most textbooks now list 6 kingdoms -- animal, plant, protists (amoebas and such), fungi, bacteria, and archaebacteria (also called extremophiles). The animal kingdom is divided into ever smaller categories. Although the site still classifies living things within 5 kingdoms, Natural Perspective is still very useful. Weigel's Diveristy of Life Vocabulary Classification of Living Things/Six Kingdoms study guide by jaweigel includes 21 questions covering vocabulary, terms and more. Dichotomous Key for Classifying Organisms into Six Kingdoms KINGDOM EUATERIA Dichotomous Key for Classifying Organisms into Six Kingdoms. Organ systems form complex organisms. Living organisms are subdivided into 5 major kingdoms, including the Monera, the Protista (Protoctista), the Fungi, the Plantae, and the Animalia. Whittaker (1969) an American Taxonomist separated all the organisms into Five kingdoms based on their phylogenetic relationships. In order to make their job easier, scientists classify living things into groups and smaller subgroups, based on how they are the same, and how they are different. You are basically looking at similarities and differences between species and the data is expressed in the idea of a five kingdom system. We will focus on domains and kingdoms. Organisms belong to one of six kingdoms of life. KINGDOMS OF LIVING THINGS IN THE LINNAEAN CLASSIFICATION SYSTEM KINGDOM STRUCTURAL ORGANIZATION METHOD OF NUTRITION TYPES OF ORGANISMS NAMED SPECIES TOTAL SPECIES (estimate) Monera small, simple single prokaryotic cell (nucleus is not enclosed by a membrane); some form chains or mats absorb food bacteria, blue-green algae, and spirochetes 4,000. The modern taxonomic system was developed by the Swedish botanist Carolus Linnaeus (1707-1778). The correct order used in present classification of organisms is a. Students learn simple facts about trees.