Answer:
Differential reproduction leads to a change in allele frequencies over time. This occurs because of natural selection favoring "successful" individuals that produce more viable offspring.
The sickle-cell allele is maintained in populations exposed to malaria through balancing selection, since heterozygous individuals have protection against the disease.
Answer:
Explanation:
Answer Expert Verified. The presence of oxygen and levels of ATP.
I'm assuming you mean non-vascular plants, since that is the case.. the answer is rhizoids.
Non-vascular plants have rhizoids that anchor them to the ground AND absorb water and minerals.
How many degrees over their in the weather