8th Grade Energy Flow Quiz Review

Which kind of organism is an autotroph?

• consumer

• producer

• decomposer

• herbivore

Which organisms are heterotrophs?

• photosynthesizers

• producers

• consumers

• plants

Which organism is an example of a producer?

• moth

• mushroom

• rose bush

• cheetah

What is shown in the image below?

• food chain

• trophic chain

• food web

• energy web

Food chains show energy transfer between organisms. The size of a food chain can vary, yet there is a limit to the number of levels that a food chain can reach. Why is there a limit to the number of levels that a food chain can reach?

• Plants are not infinite in number.

• Producers are limited by consumers.

• Carnivores are too large to be eaten.

• Energy is lost at each trophic level.

Which is the primary consumer in this food chain?

• snake

• grass

• rabbit

• hawk

From the producer level to which level does energy flow directly?

• decomposer

• tertiary consumer

• secondary consumer

• primary consumer

Why are plants called producers?

• They make carbon dioxide
• They decompose
• They make or produce their own food

• They are omnivores

All animals are...

• producers
• consumers
• carnivores
• omnivores

Living things that eat other living things are called...

• Consumers
• Carnivores
• Omnivores
• Animals