Matter and Energy in Ecosystem Quiz Review 2021

How do animals get the carbon and nitrogen they need to survive?

• By breathing air

• By drinking water

• They already have enough

• Through eating plants or other animals that have eaten plants

What is a decomposers role in a food web?

• Decomposers are not necessary in a food web

• Decomposers create energy by producing their own food

• Decomposers break down matter so plants can use it

• Decomposers store matter and energy until it is needed in an ecosystem

Which of these organisms would be a consumer within a food web?

• snake

• bamboo

• crab grass

• mushroom

Where on an energy pyramid would the most available energy be located?

• Top

• Middle

• Bottom

• There is an even amount of energy found throughout.

What percentage of energy is used up at each level of an energy pyramid?

• 78%

• 10%

• 21%

• 90%

What would happen to the snake population size if the locusts were to die out?

• It would increase

• It would decrease

• It would stay the same

• Are you really asking me this right now?

In the following food web which organism below would be considered a producer

• fruit fly

• frog

• corn

• eagle

A model that the shows the amount of available energy at each step of a food chain is called this

• food chain

• food web

• energy pyramid

• fascinating

Where does the original energy for any ecosystem come from?

• plants

• the sun

• consumers

• jersey central power and light

What element(atom) makes up 65% of the human body?

• hydrogen

• carbon

• oxygen

• nitrogen