BIOLOGY EOC REPORTING CATEGORY : 3.

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Presentation transcript:

BIOLOGY EOC REPORTING CATEGORY : 3

Evolution and Classification Reporting Category 3

Evolution Change over time

Endosymbiotic Theory Mitochondria Chloroplast

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

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

EVIDENCE OF EVOLUTION… or COMMON ANCESTRY EMBRYOLOGY HOMOLOGIES EMBRYOS

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

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

6 KINGDOMS

Kingdom Phylum King Phillip Came Gets more specific Over For Good Linnaeus’s System of Classification Kingdom King Phylum Phillip Class Came Order Over Family For Gets more specific Genus Good Spaghetti Species

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

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

DICHOTOMOUS KEY

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