Natural Selection. Jean Baptiste Lamarck Believed individuals changed over their lifetime because of the physical conditions of their lives. An organism.

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Presentation transcript:

Natural Selection

Jean Baptiste Lamarck Believed individuals changed over their lifetime because of the physical conditions of their lives. An organism changes to suit their needs, and whatever changes they acquire get passed on to their offspring

Charles Darwin

Vestigial Structures Snake Whale

Vestigial Structures

Evolution of whales

Convergent Evolution

Taxon Pine TreeBark Beetle KingdomPlantAnimal PhylumPterophytaArthropoda ClassGymnospermaeInsecta OrderConiferalesColeoptera FamilyPinaceaeScolytidae GenusPinusDendroctonus Speciesponderosabrevicomis

cience/Charles_Darwin_young.pnghttp:// cience/Charles_Darwin_young.png mals/images/primary/coral-snake.jpghttp://animals.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/ani mals/images/primary/coral-snake.jpg state.edu/~sabedon/campbl23_files/image013.jpghttp:// state.edu/~sabedon/campbl23_files/image013.jpg hes.jpghttp:// hes.jpg