Energy Flow

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

• 1%
• 10%
• 100%
• 1000%

Why is a shark a carnivore.

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

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.

Organisms that create their own energy from sunlight or chemicals

• Herbivore
• Omnivore
• Autotroph
• Heterotroph 

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

• Producers
• Herbivore
• Omnivore
• Carnivore

An organism that obtains energy by eating other organisms.

• Consumer
• Producer
• Decomposer
• Detriov

Which animal is the top predator?

• hawk

• lizard

• snake

• grass

Which of the following correctly shows an energy pyramid?

• A

• B

• C

• D

In the energy pyramid here, which organism has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Top Predator

__________ is an organism that only eats plants for energy.

• Carnivore
• Herbivore
• Omnivore
• Terivore