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

The image provided is an example of a(n):

• Producer
• Autotroph
• Consumer
• Insect

Tags

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

A wolf eats a rabbit, that just ate some berries.  What would you call the rabbit?

• Producer
• Omnivore
• Primary Consumer
• 2nd order Heterotrph

Which of the following correctly shows an energy pyramid?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-3

An organism that lives by breaking apart dead organic matter into simpler parts is...

• scavenger
• consumer
• decomposer
• carnivore

Tags

NGSS.MS-LS2-3