As long as the alligators doesn’t eat the bird the relationship between these animals is best described?

a predation

b mutualism

c parasitism

d competition

e commensalism

Resperation is a way to release carbon back into the atmosphere

Polar zones are cold and tend to be dry because of a pressure system of cold. low high

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water