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| Outwardly similar but non homologous structures (e.g. Bird Wings and Insect Wings) |
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| The breeding of domestic plants and animals to produce specific desirable features. |
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| The hypothesis that proposes that a vast supply of species was created initially, and successive catastophes produced layers of rock and destroyed many species, fossilizing some of their remains int he process. |
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| The process by which natural selection causes nonhomologous structures that serve similar functions to resemble one another. |
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| The process by which the characteristics of a populatino of organisms change over time. |
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| The remains or impressions of plants or animals which have been changed into or in some way preserved in rock. |
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Definition
| strucutres which have the same evolutionary origin despite having differences in current function or appearance. |
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Term
| inheritance of acquired characteristics |
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Definition
| A hypothesized process in which the bodies of living organisms are modified through the use of disuse of different parts; these modifications are then inherited by offspring (e.g. giraffes stretch their necks to reach tal leaves, thus their offsring are also born with stretched necks). |
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| The process by which those individuals whose traits are most advantageous leave a larger number of offspring. |
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| All the individuals of one species in a particular area. |
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Definition
| The concept that natural processes alone produced fossils. |
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Definition
| Strucutres that serve no apparent purpose and were likely inherited from ancestors (eg. the tail bone). |
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