Select the correct answer.
Which statement is true about the male reproductive system?
A.
The testes produce semen,
B.
Sperm cells are the largest component in the composition of semen.
a.
The scrotum functions to keep the testes at an optimum temperature.
D.
The penis enables sperm to be deposited directly into the uterus.

How are tumors cells different from normal cells

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above