Food Chains and Food Webs

A one way path that show the flow of energy is a

• food web

• food chain

• trophic level

• biotic factor

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a food chain, grass has 125,000 kcal. A cricket eats the grass and a mouse eats the cricket. How much energy will the mouse receive?

• 125,000 kcal

• 12,500 kcal

• 1,250 kcal

• 125 kcal

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-3

Interrelated food chains form

• another food chain

• a energy pyramid

• biotic and abiotic factors

• a food web

Tags

NGSS.MS-LS2-3

Which of the following statements describes one way that energy is transferred in a food web?

• Plants provide energy to consumers.

• Energy is cycled between producers.

• Producers store energy made by animals.

• Consumers obtain energy directly from sunlight.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A partial food web is shown below.

• The bluegill and the muskrats both compete for cattails.

• The bluegill and the muskrats both compete for snakes.

• The bluegill help the muskrats survive, and the muskrats do not harm the bluegill.

• The bluegill help the muskrats survive, and the muskrats help the bluegill survive.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Which organism is acting as both a primary and secondary consumer in the food web?

• bluegills

• cattails

• coyotes

• snakes

Tags

NGSS.MS-LS2-3

Which organisms break down dead organisms and release nutrients into the ecosystem?

• omnivores

• detritivores

• producers

• decomposers

Tags

NGSS.MS-LS2-3

The energy that primary consumers use for metabolism and growth comes directly from which of the following sources?

• organic compounds synthesized by producers

• organic compounds released by decomposers

• organic compounds stored in carnivore tissues

• organic compounds absorbed from the environment

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which organisms in the food web belong to the trophic level that provides the most available energy to the ecosystem?

• algae

• coyotes

• snails

• bluegills

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An organism's position within a food chain is a

• food web

• population

• trophic level

• food chain

Tags

NGSS.MS-LS2-3