Ecology Test Review

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

Which of the following is a herbivore?

• cricket
• frog
• hawk
• shrew

How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

A consumer that hunts is called:

• a producer.
• an omnivore.
• a predator.
• a herbivore.

How many herbivores are in this web?

• 1
• 2
• 3
• 4

How many primary consumers are there in this food web?

• 1
• 2
• 3
• 4

What does every food chain start with?

• producers
• sun
• consumer
• decomposers

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist