AP Biology Ecology Quiz 1-4

J-Shaped curves

• show a decline after an increase
• display populations that have reached carrying capacity
• represent exponential growth
• does not depend on the numbe rof resources

A herd of zebras would be considered a

• community
• species
• ecosystem
• population

All of the following are density-dependent factors that limit animal populations EXCEPT.

• weather
• predation
• food competition
• birthrate

Two organisms of different species exist in a relationship in which each individual benefits from the activity of the other:

• commensalism
• parasitism
• herbivory
• mutualism

Which of the following is an omnivore?

• Rabbit
• Carrots
• Owls
• Birds

Which point on the graph represents carrying capacity?

• A
• B
• C
• D

Nitrogen Fixation is carried out by

• bacteria 
• plants
• herbivores
• mushrooms

Which of the following best describes a social behavior?

• One monkey grooming another.
• A predator chasing prey.
• An animal defending its territory.
• An animal hibernating.

A way of learning that involves a reward or punishment is called?

• observational learning
• operant conditioning
• habituation
• playing

Raccoons rip trash bags open and sort through the trash when Mr. Robinson leaves the bags outside.   The raccoons are exhibiting what type of behavior?   

• automatic behavior
• learned behavior
• inherited behavior
• instinctive behavior