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(d) Crabs produce huge numbers of offspring, but their populations remain fairly constant
from year to year.
Explain why.​

Why does miranda have that particular vision of dr hildesheim answer?

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

Why is a mushroom considered a heterotroph