Ecosystem Interactions Quiz

In the ecosystem pictured below, plants grow tall in order to get sunlight.

• competition
• predation
• symbiosis

In the ecosystem pictured below, clownfish and sea anemones live and interact very closely with one another.

• competition
• predation
• symbiosis

In the ecosystem pictured below, hawks capture and feed on small rodents.

• competition
• predation
• symbiosis

Bees help spread the pollen of the flower and the bees in return receive nectar to make honey.

• Parasitism
• Commensalism
• Mutualism

Mistletoe harms the tree by attaching itself to trees and stealing water and nutrients from the tree.

• Parasitism
• Commensalism
• Mutualism

Barnacles attach to whales in order to get food and transportation. The whale does not receive any benefit nor is it harmed in any way.

• Parasitism
• Commensalism
• Mutualism

Which of the following statements most accurately describes the interrelationship between predator and prey?

• In general, the prey population will follow the predator population.
• In general, the predator population will follow the prey population.
• Predator and prey populations do not rely on one another.
• Predator and prey populations increase and decrease at exactly the same time.

In 1970, approximately how many moose were present in the ecosystem?

• 40
• 800
• 50
• 1400

What could be a possible explanation for what is happening to the moose population from 1986 - 1987?

• Moose have very little food.
• There are fewer predators.
• There is a disease in the moose population.
• There is a lack of mates in the moose population.

In the relationship on the graph, who is the predator and who is the prey?

• Predator = wolf / Prey = wolf
• Predator = moose / Prey = wolves
• Predator = moose / Prey = moose
• Predator = wolf / Prey = moose