Taxonomy & Classification. I. Why Classify? A.So we can answer questions about our own existence and relationships of all organisms. B.Only14% of species.

Slides:

Advertisements

Similar presentations

Classification Week 14-A.

Advertisements

Chapter 18: Classification

The science of naming organisms.

Warm Up Friday, March 1, 2013 State the 3 parts of the cell theory.

Characteristics of Living Things

CLASSIFICATION OF ORGANISMS. Biologists have classified nearly 2 million species Estimates range from 13 million to 40+ million The science of describing,

1 Chapter 18: Classification. 2 18–1 Finding Order in Diversity  Life on Earth has been changing for more than 3.5 billion years  1.5 million species.

Classification. Classification of Living Organisms Identified by traits Organize life’s diversity – Over 1.7 million species on Earth Taxonomy Naming.

Taxonomy & Classification. I. Why Classify? A.1.5 million species identified B.Estimated between 2 and 100 million species not yet discovered.

Chapter 18.  Why Classify? ◦ Scientists classify organisms into groups in a logical manner to make it easier to study the diversity of life. ◦ Taxonomy:

Six Kingdoms-Taxonomy

Classification of Living Things

Classification S7L1a: Students will be able to compare organisms by similar and dissimilar characteristics. S7L1b: Students will be able to classify organisms.

Unit Overview – pages How did you group these items? Why did you group them this way?

Classification Chapter Taxonomy Process of classifying organisms and giving each a universally accepted name Process of classifying organisms.

Diversity of Organisms 5 to 30 million species estimated Axolotl.

Covers Chapter 4 Structure and Function of the Cell Pages

Miss Napolitano & Mrs. Haas CP Biology TAXONOMY: CLASSIFICATION OF LIVING THINGS.

Taxonomy. Taxonomy I. Definition: The study of classification A. Why group things? 1. Easier to find information about an organism 2. Easier to identify.

CLASSIFICATION & THE SIX KINGDOMS OF ORGANISMS

Learning Targets “I Can…” -Explain why biologists use scientific names rather than common names. -Name the classification system created by Linnaeus. -Give.

Classification Study Guide Answers

Organizing Life Classification, Taxonomy & Dichotomous Key A brief review…..

Unit #3 Classification T axonomy

A.Definition of Taxonomy: The science of naming organisms and classifying them into groups B.The need for classification Provides a universal language.

1 Chapter 18- Classification. 2 I. Finding order in Diversity A. Why classify? 1. To study the diversity of life, biologists use a classification system.

Taxonomy Taxonomy- the practice and science of classification – Why do scientists classify organisms? Used to organize living things into groups so that.

Classification and Taxonomy The student will investigate and understand how organisms can be classified. Key concepts include: a) the distinguishing characteristics.

Finding Order in Diversity.  Scientist have named about 1.5 million species  However, it is estimated that there still are million additional.

Classification Notes. Scientists classify organisms based upon similarities.

CLASSIFICATION SYSTEMS. LEARNING GOALS: By the end of class, I will be able to:  Explain how organisms are classified  Explain traditional and modern.

Ch. 17: Organizing Life’s Diversity

Classification Jeopardy Old School WaysKingdoms &

Classification Review

Classification Chapter 18.

Introduction to Taxonomy. Why Classify? To study the diversity of life, biologists use a classification system to name organisms and group them in a logical.

Characteristics of Living Things. 1. Made of Cells unicellular vs.. multicellular Red Blood cellsOnion skin epidermal cellsHuman cheek cells.

Classification Notes.

1 Chapter 18: Classification. 2 18–1 Finding Order in Diversity  Life on Earth has been changing for more than 3.5 billion years  1.5 million species.

Thursday, March 24, 2011 Objective: Students will be able to classify using the six kingdoms. Bellringer: Explain how a dichotomous key works, and its.

Classification System Dichotomous Key with Harry Potter

Classification and Kingdoms. Phylogeny Is the study of the evolutionary history of a species... how it developed over time.

Puma concolor. Chapter 2 Classification 1 Classification means organizing living things into groups based on their similarities. 2 Scientists classify.

Classification Review. The process of grouping things according to similar characteristics ( traits, features, etc.)

Classification Chapter 17, Sections 1 and 4. Why classify? Provides a way to organize living things Ensures scientists are using a common language when.

Chapter 17: The History and Diversity of Life

Chapter 18 Classification.

SPECIATION & CLASSIFICATION Allopatric Speciation.

Discipline of classifying organisms and assigning each organism a universally accepted name.

A.What is of Taxonomy? The science of naming organisms and classifying them into groups B.Why classify? Provides a universal language so scientists can.

Classification and Taxonomy. Basics of Classification Classification – the division of organisms into groups (classes) based on specific characteristics.

Classification Notes ercgwilliams Learning Objective I can classify objects in appropriate groups and explain the logic behind my choices.

Classification System with Harry Potter. Crayfish Catfish Silverfish.

Chapter 7 - Classification Carolus Linnaeus 18 th century Swedish 2 groups – plants and animals he divided the animal group according to similarities.

Classification/Taxonomy Chapter 18. Why Classify? Why Classify?

CH.17 Classification & Taxonomy. TAXONOMY TAXONOMY: A field of biology that identifies and classifies organisms. –Classification Tools: Shared characteristics.

Taxonomy The science of naming organisms.. Aristotle Plant or animal? If an animal, does it –Fly –Swim –Crawl Simple classifications Used common names.

1.SCIENTISTS CLASSIFY ORGANISMS TO HELP ORGANIZE THEM FOR STUDY PURPOSES. 2. THERE ARE MANY DIFFERENT WAYS TO CLASSIFY ORGANISMS. WE WILL USE THE SYSTEM.

Taxonomy and Classification. I. Why Classify? A.1.8 million species identified B.Current estimation: 9 million undiscovered species. 1.) 6.5 million on.

Classification Notes.

Taxonomy and Classification

The classification of living organisms

Chapter 18: Classification

The classification of living organisms

Chapter 18 - Classification of Organisms

Taxonomy and Classification

Classification System

Classification The World of Taxonomy.

Classification.

Presentation transcript:

Taxonomy & Classification

I. Why Classify? A.So we can answer questions about our own existence and relationships of all organisms. B.Only14% of species are identified. C.It’s estimated 8.7 million eukaryotic species are undiscovered. 2.2 million of the undiscovered reside in the ocean.

II. Taxonomy A. Definition – study of classification of organisms. B. Developed by Carolus Linnaeus- a Swedish botanist and medical doctor C. Linnaeus’ system of classification has seven levels. D. The division of levels is base on like traits among organisms.

E. Levels from highest to lowest: Kingdom--- all inclusive Phylum Class Order Family Genus Species-very specific traits

F. The Scientific Name 1. Binomial Nomenclature is a two-word naming system used to name organism 2. Latin is the language used for this process. 3. Comprised of the Genus and species. 4. Genus a. is groups of closely related species. b. written first, capitalized, italicized

5. Species a. a group of organisms able to breed and produce fertile offspring. b. written second, lowercase, italicized 6. Examples: Homo sapiens Canus lupus

7. Example: Human KingdomAnimalia Phylum Chordata Class Mammalia Order Primates Family Hominidae Genus Homo Species sapiens

III. Today’s Classification System A.Today classification of organisms is largely based upon phylogeny. B. Phylogeny – classification of organisms based upon evolutionary trends and genetic changes. (meaning they now use DNA analysis in the Process)

IV. Kingdoms A. There are Six Kingdoms: with very distinguishing features, so let’s review them. B.Eubacteria, Archaebacteria, Protista, Fungi, Plantae, and Animalia.

1. Eubacteria a. Unicellular b. Prokaryotic c. Some able to move d. Have a cell wall e. Live in all normal environments.

2. Archaeabacteria a. Unicellular b. Prokaryotic c. Some able to move d. Have a cell wall e. Live in extreme environments f. Examples: volcanic hot springs, brine pools, and black organic mud totally devoid of oxygen.

3. Protista a. single-celled b. Eukaryotic cells-those with membrane bound organelles (including mitochondria and chloroplasts). c. Move by cilia, flagella, or amoeboid motion d. Usually no cell wall e. Heterotrophic and/or autotrophic feeding

a. Multi-cellular b. Eukaryotic c. Has a cell wall d. Heterotrophic e. Do not move 4. Fungi

a. Multi-cellular b. Eukaryotic c. Has a cell wall d. Autotrophic e. Don't move 5. Plantae

a. Multicellular b. Eukaryotic c. Heterotrophic d. Various means of movement 6. Animalia

1. A tool used to classify things 2. Based on visual characteristics or traits. 3. The Process a. The traits of the thing trying to be identity are placed on a list. b. Below each trait is a positive and a negative statement about the trait. V. A Dichotomous Key

c. At the end of each statement is either the name of the thing you are trying to identify or the next reference number to go to. d. Continue until you have identified each thing! e. Always start at #1 with each thing. f. Let’s looks at an example.

1AThread shows when button is sewn onGo to 2 1BThread does not show when button is sewnGo to 9 2AButton has holesGo to 3 2BButton has bar in single holeGo to 11 3AButton has 2 holesGo to 4 3BButton has 4 holesGo to 5 4AButton is elliptical around the holesBernie 4BButton is not elliptical around the holesBeBe 5AButton has a rounded raised edge designGo to 7 5BButton does not have a rounded raised edge designGo to 6 6AButton is a solid colorBuster 6BButton is multicoloredBart 7AButton is square with rounded cornersBenny 7BButton is not squareGo to 8 8AButton is a solid colorBarb 8BButton is multicoloredBert Button Family Dichotomous Key