1. List what might be found or what can happen in the photic, aphotic, littoral, limnetic, and benthic zones. (1 point) | 2. Why do overlapping niches lead to competition? (1 point)

3. After an extreme disturbance, what kind of organisms move into the area first? (1 point)​

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

What are some natural processes that represent physical and chemical changes?