Ms. B has 32 students assigned to her class. Her room only holds 28 students. The other 4 need to go to the officer for a schedule change- Northern pike (a fish) feed on another fish, the yellow perch. An increase in the yellow perch population causes an increase in the pike population-

The BP oil spill in the Gulf of Mexico has harmed many aquatic organisms that live in the Gulf region-

A new strain of influenza breaks out in New York City-

The population of rabbits and a population of deer are both feeding off the same plants in the same area-

Hurricane Katrina forced thousands of people to leave New Orleans-

65 million years ago, a large asteroid collided with the Earth. As a result, large amounts of ash were ejected into Earth's atmosphere.

Answer choices: Density Dependent
Density Independent