A population of alligators lives in a wetland habitat. Which of these describes a density-dependent factor that could affect this population? A. humans intkrduce pollution into the water of the ecosystem
B. a hurricane passes through the area
C. there is a decrease in prey animals on the ecosystem
D. a drought that lasts for several mounths occurs

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

Several billion years ago which gas was the least prevailant in the atmosphere

What are characteristics of minerals? select 3 choices