3. Which of the following is NOT a function of the cervix? A. Acts as a barrier and reservoir
B. Capacitates the sperm
C. Contracts the uterus to move the sperm up the tract
D. Filters the sperm

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?