Food Chains, Webs & Energy

An organism that eats the secondary consumer.

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

• Consumer

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.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

How do producers obtain energy?

• They conduct photosynthesis.

• They consume plants.

• They consume primary consumers.

• They consume secondary consumers.

Tags

NGSS.MS-LS1-6

What does a Primary Consumer eat?

• Tertiary Consumers

• Secondary Consumers

• Producers

An animal that eats only other animals

• producer

• herbivore

• omnivore

• carnivore

Several owls live in a forest. The owls prey on mice. Hawks also prey on mice. Which might happen if several hawks move to the forest where the owls live?

• The number of owls will increase, and the number of hawks will decrease.

• The number of mice will increase, and the number of owls will decrease.

• The number of owls and hawks will increase.

• The number of owls and mice will decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

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-LS2-2

NGSS.MS-LS2-4

Grizzly bears eat seeds, berries, roots, grasses, fungi, deer, elk, fish, and insects. This would make them a(n)...

• Detritivore

• Carnivore

• Herbivore

• Omnivore

Arrows in food webs show:

• trophic levels

• direction of energy flow

• stages of species

• predators vs. prey

Tags

NGSS.MS-LS2-3

Green algae in water is an example of:

• Producer

• Consumer

• Heterotroph

• Bacteria

Tags

NGSS.MS-LS2-3