Term
| 3 beliefs of special creation |
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Definition
1. all species are independent
2. life on Earth is young
3. species are immutable |
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Term
| Aristotle's 2 central claims |
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Definition
1. species are fixed types
2. some species are higher than others |
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Term
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Definition
| belief that species are not static but change through time |
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Term
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Definition
| individuals of the same species that are living in the same area at the same time |
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Term
| who believed in "descent with modification"? |
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Definition
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Term
| 2 predictions about the nature of species of the theory of evolution |
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Definition
1. species change through time
2. species are related by common ancestry |
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Term
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Definition
| all of the fossils that have been found on Earth & described in scientific literature |
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Term
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Definition
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Term
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Definition
| form from sand or mud or other materials deposited at locations such as beaches or river mouths |
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Term
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Definition
| a sequence of named intervals called eons, eras, & periods that represented the major events in Earth's history |
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Term
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Definition
| a species that no longer exists |
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Term
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Definition
| a trait in a fossil species that is intermediate between those of ancestral & derived species |
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Term
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Definition
| reduced or incompletely developed structure that has no function, or reduced function, but is clearly similar to functioning organs or structures in closely related species |
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Term
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Definition
| a branching diagram that describes the ancestor-descendant relationships among species or other taxa |
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Term
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Definition
| similarity that exists in species because they inherited the trait from a common ancestor |
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Term
| genetic homology occurs in _____ |
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Definition
| DNA nucleotide sequences, RNA nucleotide sequences, or amino acid sequences |
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Term
| developmental homology is recognized in _____ |
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Definition
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Term
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Definition
| a similarity in adult form |
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Term
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Definition
| choosing certain individuals with desirable traits to reproduce, thus manipulating the composition of the population |
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Term
| Darwin's 4 simple postulates of evolution |
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Definition
1. the individual organisms that make up a population vary in the traits they possess
2. some of the trait differences are heritable
3. in each generation, many more offspring are produced than can possibly survive
4. the subset of individuals that survive best & produce the most offspring is not a random sample of the population |
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Term
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Definition
| individuals with certain characteristics produce more offspring than do individuals without those characteristics |
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Term
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Definition
| a heritable trait that increases the fitness of an individual in a particular environment relative to individuals lacking the trait |
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Term
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Definition
| a change in an individual's phenotype that occurs in response to a change in natural environmental conditions |
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Term
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Definition
| acclimatization occurring in study organisms in a laboratory |
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Term
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Definition
| a compromise between traits |
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