The process that tend to reduceb the variety within a population is called B. Random fertilization.
Uterine contractions that increase in intensity and regularity, and result in changes to the cervix are contractions of Labour. This is further explained below.
<h3>What are Uterine contractions?</h3>
Generally, Uterine contraction is simply defined as the contraction of the uterine muscles, This entails the compression or contraction of uterine muscles.
In conclusion, This is seen during childbirth.
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brainly.com/question/23471979
I am not totally sure but I think it’s B
