How do ecosystems function? (Select all that apply.) Biotic factors depend on each other for food, shelter, protection, and repr
oduction. Biotic factors are dependent on abiotic factors for food and protection. Abiotic factors depend on biotic factors for food, shelter, protection, and reproduction. Abiotic factors affect the type and number of organisms that live in a particular ecosystem.
Read directions carefully. Eliminate as many options possible, select the best answer. Answer questions you know first. Go over exam again and answer hard questions next. If you have enough time left review the questions and answers again.