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BIOLOGY EOC REPORTING CATEGORY : 3. Reporting Category 3 Evolution and Classification.

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Presentation on theme: "BIOLOGY EOC REPORTING CATEGORY : 3. Reporting Category 3 Evolution and Classification."— Presentation transcript:

1 BIOLOGY EOC REPORTING CATEGORY : 3

2 Reporting Category 3 Evolution and Classification

3 Evolution Change over time

4 Endosymbiotic Theory  Mitochondria  Chloroplast

5 Evidence for Evolution…or COMMON ANCESTRY Homologous Structures Traits that are similar in different species because the species share a common ancestor. ► Same structure, ► different function

6 EVIDENCE OF EVOLUTION… or COMMON ANCESTRY MOLECULAR HOMOLOGIES GENETIC SEQUENCES SHOW SIMILARITIES AMONG ORGANISMS. EXAMPLE: HUMAN GENOMES AND CHIMPANZEE GENOMES ARE 99% IDENTICAL

7 EVIDENCE OF EVOLUTION… or COMMON ANCESTRY EMBRYOLOGY HOMOLOGIES EMBRYOS

8 EVIDENCE OF EVOLUTION… or COMMON ANCESTRY FOSSIL RECORDS OLDEST YOUNGEST FOSSIL RECORDS CAN BE USED AS A TIME LINE OF HOW LIFE HAS EVOLVED

9 TAXONOMY: the way biologist classify or group organisms Based on similarities and differences

10 6 KINGDOMS

11 11 Kingdom Phylum Class Order Family Genus Species Gets more specific King Came Over For Good Spaghetti Phillip

12 CLADOGRAM IS USED TO SHOW THE EVOLUTIONARY RELATIONSHIPS AMONG SPECIES It shows how members of a group change over time, giving rise to new groups

13 CLADOGRAM  Which are most closely related?  Canis lupus & Canis latrans  or  Canis lupus & Lutra lutra  Canis latrans & Taxidea taxus  or  Canis latrans & Panthera pardus

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15 DICHOTOMOUS KEY


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