Chapter 21 Review

A part of an environment that keeps a populations size at a level below its full potential. Can be biotic or abiotic

• limiting factor
• carrying capacity
• competition
• cooperation

Populations will increase for which of the following reasons.

• immigration
• increase of deaths
• emigration

Populations will decrease if which of the following occur?

• immigration
• increase in births
• emigration

Which of the following is an example of cooperation among organisms of the same species?

• 2 male rams compete for a mate.
• Hawks and Eagles compete for food.
• A pack of wolves hunt together.
• Monkeys drop leaves for deer to eat.

The maximum number of individuals of one species that the environment can support

• limiting factor
• carrying capacity
• competition
• cooperation

This is an example of?

• symbiosis
• predator & prey
• mutualism
• parasitism

What kind of relationship is this?

• predator/prey
• commensalism
• mutualism
• parasitism

What type of relationship is this?

• predator/prey
• mutalism
• commensalism
• parasitism

One organism is hurt while the other benefits.

• mutalism
• parasitism
• commensalism

One organism benefits the other is unharmed

• mutalism
• commensalism
• parasitism