D abiotic means its not in biology
Answer: the actual size of the population is relatively small.
Explanation:
In relatively small populations, the phenomenon of genetic drift significantly may change the frequencies of the alleles in that population. This consequently affect the genetic structure of the population in context.
Whereas big populations doesn't significantly feel the shakings of this phenomenon because her effects are small and insignificant.
Answer:
The starting material of soil is called sediment, because it is the one that gets broken down by weathering and erosion which puts it on bottom
Explanation:
There relationship is getting older and older over time and the follis break apart.