Answer:
C) wear a lead protective shield when having teeth XRAYS
Explanation:
Answer:
isn't it called a fallopian tube?
<span>All cells contain the same key elements, such as carbon, nitrogen, and oxygen. </span>
Bio-geographic isolation affects the random changes that take place within gene pools
The bio-geographic isolation of the species takes place when the geographical barrier work as a distinguishing agent. It takes place when the group of animals, plants and other creatures are not allowed to mate with each other.
The mixing of there genes within the same species is separated by the geographical barrier.
The barrier allows the mating of the species in a different way as compared to the previous one.
Answer:
Twenty-five-year-old Jonah is wondering whether his rate of sperm cell production is within normal range. For a man his age, his doctor will likely tell him that the average rate of production is about <u>1000</u> sperm per second.
Explanation:
During spermatogenesis your testicles make many sperm cells per day.