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Definition
| Descent with Modification |
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| Principle of Uniformitarianism |
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Definition
| mechanisms of change are constant over time |
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| What is the book Darwin published |
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Definition
| the way in which humans have modified species by breeding them for certain traits |
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| Darwins four observations of nature |
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Definition
| Members of a population vary greatly in their traits. Traits are inherited from parents. Species are capable of reproduction. Many of the offspring don't survive |
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Definition
| individuals whose traits give them a higher probablity to survive and reproduce usually produce more offspring. The unequal ability of certain individuals to reproduce leads to an accumulation of favorable traits |
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Definition
| The increase of organisms adaption to their environment over time |
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Definition
| No populations evolve over generations |
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| Can natural selections create new traits |
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Definition
| No natural selection happens with traits that already exist in the population |
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| Is it possible to create a "super species" through natural selection? |
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Definition
| No adaptions vary in different environments and usually when a species gains an adaption they lose another |
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Definition
structures without a current function that suggest gradual transformation
Example: penguin wings |
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Definition
| Structures that are similar between species because of a common ancester |
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Definition
| Similarity because of a common ancester |
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Definition
evolution of similar (analogous) structures as a result of adaptions to similar environmental conditions
Example: Bird and Bat wings evolved seperate but both help them fly |
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