5. Why do populations have variation in certain traits?

Why does secondary succession occur much quicker than primary succession

Which of the following tasks does a forensic scientist NOT have? A) Analyzing evidence B) Giving expert testimony C) Signing search warrants D) Training officers in how to collect evidence

Which of the following is not covered by skin? -mouth -intestines -bones -stomach

The process in which one species evolves into a variety of species is called apes

How are the bacteria and the archaea different from all the other cellular microbes?

A) What are the bases of mRNA coded for by this section of DNA before the mutation? Hint in RNA A pairs with U.

How does secondary succession differ from primary succession? It begins where no plants have grown. It begins on bare rock or land. Soil nutrients are already in place. Lichens and mosses form soil first.

True of False? The structure of the cell membrane is what allows water and other molecules to move in and out of cells.

Dolphins and fish have similar body shapes. isthis feature more likely a homologous or analogoustrait?

Which of the following is not a phase of gastric secretion? A. cephalic B. gastric C. intestinal D. enterogastric