There are three sources of genetic variation: mutation, gene flow, and sexual reproduction. A mutation is simply a change in the DNA.
Yes, having two colored eyes is considered a mutation
Answer:
It would be our brain stem
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Explanation:
Answer:
Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources. ... Others are abiotic, like space, temperature, altitude, and amount of sunlight available in an environment. Limiting factors are usually expressed as a lack of a particular resource.
