6. In sexual reproduction, two cells unite to make
(#) zygote cell.

Molecules called lipids have long hydrocarbon chains that determine the way they act. they can be fats, oils, or hormones, and even exist in our cell membranes 

Aclimax community is described as a biological community of plants,animals, and fungi. the climax community is the final stage of succession, meaning its going to be unchanged till it is destroyed (by a fire i i hope this is a good description : '3