This occurs when 2 populations can no longer interbreed
Reproductive isolation
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15
In natural selection, the selective agent is
the environment
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20
A trait that is controlled by two or more pairs of genes
Polygenic Trait
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20
Suppose a sea mount (little island in the ocean) forms from an underwater volcano. Birds from the mainland happen to colonize the island and no longer interbreed with the original population due to distance. What type of isolation?
Geographic
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15
What does this image represent?
the Founder effect
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20
Florida panthers used to be more numerous in the Everglades. Today, there are only a few hundred left in the wild due to habitat loss and cars. Numbers are slowly recovering. Which genetic drift is this?
Bottleneck effect
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15
Any change in the genetic material (DNA) of a cell is called a
Mutation
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20
This part of meiosis can help contribute to new genetic combinations in populations
Crossing Over
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20
This selection pressure favors ONE of the extreme phenotypes (one side of the bell curve) , which shifts allele frequencies to one side or the other
Directional Selection
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25
The frequency of phenotypes for a typical polygenic trait is most often shown as
Bell Curve
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15
The process in which one species splits into two or more species
Speciation
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15
Temporal isolation occurs when two different parts of the population reproduce at different _______________ .