Identify which properties of water make it a compound necessary for life to exist on our planet. Select all that apply. A) It is adhesive and cohesive.
B) It is a polar molecule capable of forming hydrogen bonds.
C) Its solid form is less dense than its liquid form; ice floats.
D) It is an excellent solvent.
E) Its molecular weight is 18.
F) It is composed of three atoms.

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

answer; /// i believe that the correct answer is (50%);

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).