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BIOLOGY EOC REPORTING CATEGORY : 3
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Evolution and Classification
Reporting Category 3
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Evolution Change over time
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Endosymbiotic Theory Mitochondria Chloroplast
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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
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EVIDENCE OF EVOLUTION… or COMMON ANCESTRY
MOLECULAR HOMOLOGIES GENETIC SEQUENCES SHOW SIMILARITIES AMONG ORGANISMS. EXAMPLE: HUMAN GENOMES AND CHIMPANZEE GENOMES ARE 99% IDENTICAL
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EVIDENCE OF EVOLUTION… or COMMON ANCESTRY
EMBRYOLOGY HOMOLOGIES EMBRYOS
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EVIDENCE OF EVOLUTION… or COMMON ANCESTRY FOSSIL RECORDS
YOUNGEST OLDEST FOSSIL RECORDS CAN BE USED AS A TIME LINE OF HOW LIFE HAS EVOLVED
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TAXONOMY: the way biologist classify or group organisms
Based on similarities and differences
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6 KINGDOMS
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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
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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
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CLADOGRAM Which are most closely related? Canis lupus & Canis latrans
or Canis lupus & Lutra lutra Canis latrans & Taxidea taxus Canis latrans & Panthera pardus
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DICHOTOMOUS KEY
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