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10 Cards in this Set
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- Back
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What are the advantages of asexual reproduction?
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There is no mate required.
All offspring reproduce. Rapid reproduction in favorable environmental conditions. |
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What are the disadvantages of asexual reproduction?
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results in genetically-cloned individuals
less able to adapt to fluctuating environments offspring inherit negative mutations only offspring can inherit positive mutations |
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What produces genetic variation in asexually-reproducing populations?
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gene copying
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What processes may be used to achieve asexual reproduction?
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fission
budding fragmentation parthogenesis |
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What are the disadvantages of sexual reproduction?
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sex, male combat, and searching for mates poses danger for males
searching for a mate requires calories STDs |
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What are the advantages of sexual reproduction?
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genetic variation
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What is the advantage of hermaphroditism (male and female parts)?
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Some species can self-fertilize.
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What does external fertilization require of all individuals in a population?
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External fertilization requires all individuals in a population to synchronize gamete release.
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In what environment does external fertilization usually take place?
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aquatic
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Why do females benefit from internal fertilization?
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Internal fertilization allows females to carefully select a mate, reproduce under favorable environmental conditions, and make nutritional adjustments before gestation.
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