Food Webs

In land ecosystems _______ are the primary producers.

• plants

• animals

• algae

• phytoplankton

Heterotrophs consume food energy. Therefore, they are considered to be-

• Autotrophic

• Consumers

• Producers

Which of the following organisms is a herbivore.

• butterfly
• snake
• fox
• ladybird

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NGSS.MS-LS2-3

Which of the following organisms is a carnivore.

• greenfly
• titmouse
• mouse
• buzzard

Name the producers in this food web.

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

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NGSS.MS-LS2-3

Which consumer receives energy from the leopard seal?

• blue whale
• penguin
• killer whale
• elephant seal

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Which one is NOT an example of a decomposer?

• mushroom
• leaves
• mold
• worm

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.MS-LS2-3

An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 
• How much energy a particular organism needs. 
• How much energy is needed to build a pyramid. 
• The amount of energy available to the next 'feeder' in a food web.

Tags

NGSS.MS-LS2-3