1. An ecosystem has an average of 50 cm of rain per year. Look at the rainfall graph over an 11 year period of lower than average rainfall in this ecosystem, predict how the biotic factors within this ecosystem would respond. Make sure to describe how eventually all trophic levels would be affected. Be sure to explain your reasoning.

Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides