Food Chain, Food Web, Energy Pyramid

Which of the following describes a tertiary consumer?

• herbivore

• carnivore

• omnivore

Which of the following correcty shows the energy flow in an ecosystem?

• sun > producers > consumers > decomposers

• sun > consumers > producers > decomposers

• producers > sun > decomposers > consumers

• sun > producers > decomposers > consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following would occupy the highest trophic level?

• grass that grows in the meadow

• rat that eats rice in the ricefield

• eagle that eats snake

• snake that eats rat

Tags

NGSS.MS-LS2-3

How much energy is passed on from one trophic level to the next?

• 1%

• 9 %

• 10 %

• 90 %

Tags

NGSS.MS-LS2-3

If not all of the energy is passed on to the next trophic level, where did those remaining energy go?

• used by the organism to live and some are released as heat

• goes back to the sun through the decomposers

• released to the lower trophic levels

Tags

NGSS.MS-LS2-3

What does an energy pyramid show?

• Amount of energy that moves from one trophic level to the next

• many overlapping food chains

• a series of events by which one organism eats another

• different food groups and daily requirements

Tags

NGSS.MS-LS2-3

In this food chain, plants >insects > frogs > snakes, how much energy is received by the decomposers when the snake dies?

• 10%

• 0.01%

• 1%

• 0.1%

Tags

NGSS.MS-LS2-3

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

• Autotroph

• Producer

• Consumer

• Mutualist

Tags

NGSS.MS-LS2-3

Which trophic level has the least amount of energy?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS2-3

The krill is eaten by which consumer?

• blue whale

• phytoplankton

• leopard seal

• penguin

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2