Answer:
Increase in frequency.
Explanation:
The theory of natural selection states that genetic variations are present in the natural populations. Some organisms have one or more genetic variations which in turn increase their chances of survival and enable them to reproduce more. These organisms leave more progeny. It results in an increase in the frequency of those beneficial genetic variations in the population over the generations. This is how natural selection favors adaptive genetic traits and increase their frequency in the populations.
A dichotomous key is an important scientific tool, used to identify different organisms, based the organism's observable traits. Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification.:
<span>Logging is the main threat to old growth forests found in the northwestern united states.
So it is true.</span>
True
There are many parts to the menstrual cycle but the longest part of it is getting the egg to get fertilized. After beginning to fertilize there will be a a “window” where the egg will be the most fertilized. This phase is called the ovulation phase. If the egg isn’t fertilized, the body gets ready to dispose of the egg and now the egg is disposed through what is known has the period