Food Chains

Producers are always at the __________ of a food chain

• Beginning

• Middle

• End

• Producers are not part of the food chain

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How much energy does trophic level 2 store from trophic level 1? (and so on..)

• 1%

• 10%

• 50%

• 100%

Tags

NGSS.MS-LS2-3

What is the original source of almost all energy in most ecosystems?

• carbohydrates

• sunlight

• water

• carbon

Tags

NGSS.MS-LS1-6

An organism that is killed and eaten by another organism

• Predator

• Prey

• Competition

• Adaptation

Tags

NGSS.MS-LS2-2

Which of the following would be considered to be prey?

• an animal that has to hunt for its food

• an animal that is eaten by another animal

• an organism that makes it own food

• an organism that feeds on the blood of another animal

With the elimination of the wolves from the ecosystem, how was the population of the producers indirectly affected?

• Since there were less animals feeding, the producers increased.

• The producers decreased because they were getting eaten by all of the elk.

• The population of producers remained the same.

• The producer population is not important.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A consumer that hunts is called:

• producer.

• an omnivore.

• a predator.

• a herbivore.

Which of the following foods chains correctly shows a flow

of energy found in this food web?

• Grass → wildebeests → cheetahs

• Elephants → young tree leaves →

  wildebeests

• Wildebeests → ticks → cheetahs

Tags

NGSS.MS-LS2-3

Which organisms typically receive energy last in a Food Web?

• Decomposers

• Primary Consumers

• Tertiary Consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Energy decreases as it moves up an energy pyramid.

• True

• False

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3