Chapter 9 Lesson 1 | Chapter 9 lesson 2 | Chapter 9 lesson 3 | Chapter 10 lesson 1 | Chapter 10 lesson 2 |
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What is the preserved remains or traces of an organism that lived in the past
fossil
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What is similar structures that related species have inherited from a common ancestor
Homologous structures
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What is a trait that increases an organism's ability to survive and reproduce
adaptations
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What is a genes segment of
DNA
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What is something that does not always involve physical fights between members of a species
Competition
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What is species changing over many generations and become better adapted to new conditions
Darwin's hypothesis
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What is a book Darwin wrote that proposed that evolution occurs by means of natural selection
The Origin of Species
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