Energy and Matter in Ecosystems

One food chain in an ecosystem might be grass, a mouse, a snake, and a hawk. Which one is the apex predator?

• mouse

• snake

• hawk

• grass

What is the correct term for a consumer that is at the top of a food chain?

• an arid predator

• a predator

• an apex predator

• an aggrevated predator

A diagram that is simple which represents how energy ows in an ecosystem is known as a

• food web

• food chain

• map

• food source

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the overlapping of many food chains within an ecosystem considered?

• food web

• food chain

• map

• food source

Tags

NGSS.MS-LS2-3

All ecosystems start with energy from the

• sun

• sea

• soil

• water

Tags

NGSS.MS-ESS2-4

The amount of matter in an ecosystem

• always changes

• never changes

• seldom changes

• sometimes changes

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A living thing that eats other living things is known as a

• producer

• consumer

• decomposer

• none of the above

What happens when decomposers break down dead material?

• The matter stays on the ground.

• The matter just builds up.

• The matter goes back into the soil.

• The matter is eaten.

Tags

NGSS.MS-LS2-3

What is the ability to make things move or change?

• elasticity

• electricity

• energy

• ecosystem

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Plants take in what gas and use it for making food?

• carbon dioxide

• oxygen

• hydrogen

• nitrogen

Tags

NGSS.MS-LS1-6