Energy Flow

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

• 1%
• 10%
• 100%
• 1000%

Tags

NGSS.MS-LS2-3

Why is a shark a carnivore.

• because it eats seaweed
• because it eats dead animals
• because it eats sand 
• because it eats other animals

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-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.HS-LS2-3

Organisms that create their own energy from sunlight or chemicals

• Herbivore
• Omnivore
• Autotroph
• Heterotroph 

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following would provide the most energy in an ecosystem?

• Producers
• Herbivore
• Omnivore
• Carnivore

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is an example of a decomposer?

• Plum
• Mushroom
• Deer
• Bird

Tags

NGSS.MS-LS2-3

Which of the following types of organisms would benefit most directly from the products of decomposer organisms?

• Decomposers
• Primary consumers
• Secondary consumers
• Producers

Tags

NGSS.MS-LS2-3

Suppose that a llama is hit by a truck and dies. Where will most of the biological matter in the llama go next?

• To top level predatory animals
• To the soil to be used by plants
• To first order consumers that might eat the llama
• To microorganisms that decompose and recycle matter

Which animal is not the top predator but, a predator to a mouse?

• hawk

• rabbit

• snake

• grass

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-6