Living Things and the Environment Answers

When the availability of resources in an area is limited, organisms may leave a population to move to an area with more resources. What is this movement called?

was growing✔ hand no net changewas shrinking

A scientist studied a population of gorillas in central Africa for one year. During this time, four gorillas were born and one orphaned gorilla joined the group. Two older gorillas died and three males left the population to find mates. The calculated population growth was , indicating that the population .

⇒ 2

What is carrying capacity?

A bird population nested along the banks of a river and fed off fish. After new homes were built along the river, the bird population declined. A change to which limiting factor was most likely responsible?

Rabies is a disease that spreads when an infected animal bites another animal. Though there is a cure for rabies, if an animal in the wild gets it, there is no way to treat it. In Minnesota, skunks and bats in the wild often carry rabies. What would happen to local animal populations if rabies started to spread?

What did you include in your response? Check all that apply.