Ecology 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

Tags

NGSS.5-LS2-1

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.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Which of the following best describes the small bird in the food web above?

• primary and secondary consumer
• secondary and tertiary consumer
• primary consumer only
• secondary consumer only

Tags

NGSS.MS-LS2-3

A tapeworm inside a dog is

• competition
• predation
• commensalism
• parasitism

A symbiotic relationship that involves species having to fight for something they both need or want

• competition
• predation
• commensalism
• parasitism

Which is NOT an abiotic factor:

• soil
• air
• bacteria;
• water

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%