ecology

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

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

• parasitism

• mutualism

• commensalism

• neutralism

A lion that eats a zebra that eats grass is a

• primary consumer

• secondary consumer

• tertiary consumer

• quaternary consumer

The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?

• Producers
• Consumers
• Decomposers
• Inorganic nutrients