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Flashcards in Chapter 15 Deck (11)
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1

who wrote "On the Origin of Species"

Charles Darwin

2

survival of the fittest

natural selection

3

make us less or more fit for the environment

adaptations

4

inherited ___ has to exist within the genes of every population according to Darwin

variation

5

film of carbon remain after other elements of an organism have decayed

imprints

6

created by the impression of a shape/rock

mold

7

sediment fills in a cavity left by a fossil

cast

8

organisms that are similar in structure had a ___ ___

common ancestor

9

structures that are embryologically similar and functionally different

homologous structures

10

structures that are embryologically different but function the same

analogous organs

11

structures that are seemingly functionless

vestigal structure