Chapter 14 Bio
Terms
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- Adaptaion
- An inhereted trait that increases an organism's chances of survival in a particular environmemt.
- Adaptive Radiation
- An evolutionary pattern in which many species evolve from a single ancestral species.
- Cast
- A type of fossil formed when sediments fill in the cavity left by a decomposed organism.
- Coevolution
- A joint change of interacting species.
- Convergent Evolution
- The process by which unrelated species become more similar as they adapt to the same kind of environment.
- Divergent Evolution
- The process of two or more related species becoming more and more dissimilar.
- Evolution
- The theory that species change over time.
- Half-Life
- The period of time in which half of a radioactive substance decays.
- Homologous Structures
- Structures that are embryologically similar.
- Imprint
- A type of fossil in which a thin film of carbon remains after the organism has decayed.