Energy Flow in an Ecosystem

An organism that can make its own food is called?

• Consumer

• Producer

• Decomposer

• Herbivore

A consumer gets energy by doing what?

• Making it themselves.
• Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
• Soaking it up from the ground.
• Feeding on other organisms.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-7

A food web consists of?

• Many overlapping food chains in an ecosystem.
• A series of events in which one organism eats another and obtains energy.
• Amount of energy that moves from one feeding level to another.
• Many types of insects that are stuck.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

This type of consumer obtains all of its energy by eating only producers.

• Omnivore
• Herbivore
• Scavenger
• Carnivore

Tags

NGSS.MS-LS2-3

Which of these is always located at the bottom of an energy pyramid?

• Producer

• Secondary consumers

• Herbivores.

• Primary Consumers.

A tertiary consumer has to be which type?

• Carnviore.

• Decomposer.

• Producer.

• Herbivore.

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

• 10%

• 50%

• 90%

• 100%

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-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat

• succession 
• cellular respiration
• energy pyramid
• biochemical cycle

Tags

NGSS.MS-LS2-3

You lose energy as you go up a food chain or energy pyramid.

• True
• False

Tags

NGSS.MS-LS2-3