Lytle - APES Ch 7 Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Used loosely to mean the variety of life on Earth, but scientifically typically has 3 components: 1)genetic diversity; 2)species diversity; 3)habitat or ecosystem diversity. See the text for additional information.
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| biological evolution | show 🗑
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| show | The idea that 2 populations of different species with exactly the same requirements cannot persist indefinitely in the same habitat - one will always win out and the other will become extinct.
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| show | The general concept is that the niche is a species' "profession" - what it does to make a living. The term is also used to refer to a set of environmental conditions within which a species is able to persist.
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| gene | show 🗑
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| show | Changes in the frequency of a gene in a population as a result of chance rather than of mutation, selection, or migration. Can be caused by an accident that leaves only a small population alive to reproduce.
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| show | Where an individual, population, or species exists or can exist. For example, the habitat of the Joshua tree is the Mojave Desert of Southern California.
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| migration | show 🗑
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| show | Stated most simply, a chemical change in a DNA molecule. It means that the DNA carries a different message than it did before, and this change can affect the expressed characteristics when cells or individual organisms reproduce.
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| show | A symbiotic relationship between two organisms in which neither by themselves can exist without the other.
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| natural selection | show 🗑
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| species | show 🗑
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| symbiosis | show 🗑
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| show | Each partner in symbiosis.
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