1. Over time, the fish and crab populations have: A. Decreased
B. Increased
C. Stayed the same
D. Fluctuated up and down.

2. Since 2014 the fish and crab populations have:

A. Decreased
B. Increased
D. Stayed the same.

What happens whenever a net force acts on an object

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Whats one way that rocks do not follow the typical rock cycle pathway?