Trophic Levels and Energy Pyramids

What kind of living thing can make its own food?

• producer

• consumer

• predator

• herbivore

Tags

NGSS.MS-LS1-6

According to the image, what is the producer?

• plant

• insect

• mouse

• snake

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What are "producers" producing?

• the energy for the food chain

• the insects for the food chain

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%

• 10%

• 100%

• 1000%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Trophic levels are represented by 

• squares

• circles

• pyramids

• lines

Tags

NGSS.MS-LS2-2

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%

• 90%

• 10%

• 20%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The word "primary" means "first."

If that's true, what does primary consumer mean?

Hint: look carefully at the food chain!

• the first organism in a food chain

• the first organism that consumes something else for energy

Tags

NGSS.MS-LS2-3

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show what direction the energy is flowing between organisms. 

• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

The process of plants using energy from the sun to create the first trophic level is called?

• Photosynthesis

• Chemosynthesis

• Cellular Respiratation

• Primary Producers

Tags

NGSS.MS-LS1-6

Which statement provides the best explanation for the difference in biomass of organisms found at each trophic level?

• Organisms at higher trophic levels have less energy available to them than organisms at lower trophic levels.

• Organisms at higher trophic levles require smaller habitats than organisms at lower trophic levels.

• Organisms at lower trophic levels provide less energy than organisms at higher trophic levels.

• Organisms at lower trophic levels outcompete organisms at higher trophic levels.

Tags

NGSS.MS-LS2-3