Below is a diagram of the male reproductive system in humans.
The reproductive function of the organ indicated by the arrow is to
A. transfer sperm cells to the urethra
B. store sperm cells until they mature
O
C. produce new sperm cells
D. create the fluid in semen
O

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

gold i'm pretty sure i might be wrong

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.