Natural selection act directly upon <u>Alleles</u>
Explanation:
Genes, such as that of fur color, have many variants called alleles. Natural selection act on the alleles and chooses the best fit for an environment and eliminates the disadvantageous ones from the population over generations. Mutations are a rare occurrence that increases the number of allelic variants of a genes on which natural selection can act upon.
True! because if you have more than one variable, you aren’t going to know which variable changed the dependent variable.
Answer: low pollution
Explanation:
The environmental effects of nuclear power is light compared to others
Contraction is the answer
Answer:
B
Explanation:
If there is too much stuff in the cell, it is going to explode. Especially when more stuff is flowing into it.
