Energy flow in ecosystems

The fox receives energy from which organisms?

• grasshopper and mouse

• mouse and rabbit

• rabbit and frog

• butterfly and frog

Name the producers in this food web.

• seagull and fish
• penguin and crab
• phytoplankton and seaweed
• seaweed and zooplankton

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The fish is eaten by which consumer(s)?

• blue whale and seagull

• phytoplankton, and zooplankton

• leopard seal and seagull

• penguin, and leopard seal

Which one is NOT an example of a decomposer?

• mushroom

• algae

• mold

• worm

Moss is considered a ...

• consumer

• producer

• decomposer

• composers

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph

• Producer

• Heterotroph

• Mutualist

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

Tags

NGSS.HS-ESS1-1

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An organism that uses sunlight to create its own food is known as a:

• Autotroph

• Heterotroph

• Consumer

• Decomposer

What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

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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