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Natural selection essays

Natural selection essays. Variation in species Overproduction Competition Genetic change. How does anatomy help support evolution?. Anatomy: the structure and parts of an organism. Evidence for Evolution. A. Fossils B. Geography C. Anatomy: Comparison of Organisms D. Embryology

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Natural selection essays

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  1. Natural selection essays • Variation in species • Overproduction • Competition • Genetic change

  2. How does anatomy help support evolution? Anatomy: the structure and parts of an organism

  3. Evidence for Evolution • A. Fossils • B. Geography • C. Anatomy: Comparison of Organisms • D. Embryology • E. DNA • F. Evolution Today

  4. Which organism is most closely related to us?

  5. Do these have similarities?

  6. Homologous Structures • Homologous Structures-- structures that are similar in internal anatomy but have different functions • Ex: fin, arm, wing, hand

  7. Wings on flightless birds

  8. Hip bones in whales

  9. Body Hair and Erector Pilli

  10. Human Tailbone

  11. Wisdom teeth in humans

  12. Fake reproduction in whiptail lizards

  13. Nipples in Males

  14. Vestigial Structures Vestigial Structures--structures that are inherited but are now unused (without function)

  15. Write your summary • How does anatomy help support evolution? • Assignment: worksheet

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