Which of the following terms is a comparison between the number of copies
of a particular allele and the number of copies of that gene?
O
O
O
A. Allele strength
B. Allele frequency
C. Allele density
O
D. Allele dominance

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

What is the problem in this article? what solution does the article propose?

How does the carbon cycle involve an exchange of carbon