Which variable do scientists use to divide the open ocean into two zones? a. salinity
b. latitude
c. light
d. oxygen

What is the sequence of amino acids corresponds with the rna strand ucg ggg cac

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called

Organisms may contain up to five levels of organization within their bodies. which level of organization is shown by the liver? a. tissue b. organ c. organism d. organ system