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3 Cards in this Set
- Front
- Back
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What is speciation? |
The development of a new species. |
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What needs to happen for speciation to occur? |
Populations of the same species become reproductively isolated. The changes in alleles and phenotype a prevent them from successfully breeding together. |
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What changes can cause speciation? |
Seasonal- individuals develop different mating seasons.
Mechanical- changes in genitalia prevent successful mating.
Behavioural- individuals develop courtship rituals that aren't attractive to the main population.
Geographical isolation. |
