A bee receives nectar from a flower and carries the pollen to other flowers:

• predation

• parasitism

• mutualism

• commensalism

Mistletoe grows and spreads on trees, taking their nutrients:

• predation

• parasitism

• mutualism

• commensalism

What would happen within a few months after the formation of a volcanic island?

• pioneer species would grow

• no pioneer species would grow

• trees and large plants would grow

• rich, organic soil would be present

What would be a good example of a primary consumer?

• carnivore

• detrivore

• decomposer

• herbivore

Which organisms would be at the top or last trophic level?

• plant

• herbivore

• omnivore

• carnivore

The monkey would be a

• decomposer

• producer

• primary consumer

• secondary consumer

Introduced species disrupt ecosystems because they are a/an

• Keystone Species

• Endemic Species

• Invasive Species

• Native Species

Which is an example of where primary succession could occur?

• a glacier melts and exposes new rocks

• natural fire burns a prairie

• a corn field is abandoned and left to overgrow

• flood covers a piece of land

Barnacles do not affect whales as they grow, but receive the benefit of a food source. This is

• parasitism

• mutualism

• commensalism

• neutralism

Mice might grow in population and destroy the community by eating all of the berry bushes if

• wolves and snakes were removed from the food web

• another predator migrated in to the community

• the snake population grew

• none of these