Ecosystem Energy Quiz

What do chemoautotrophs use as a source of energy?

• Sunlight

• Inorganic chemicals

• Other living organisms

• Dead matter

Decomposers break down dead organisms and release:

• Oxygen

• Inorganic molecules back to the environment

• More organic matter

• Water

Which of the following is true about consumers in an ecosystem?

• They produce their own food

• They rely on other organisms for food

• They decompose dead matter

• They regulate the temperature of the environment

Which type of consumer eats only plants?

• Carnivore

• Omnivore

• Herbivore

• Detritivore

What is the primary role of decomposers in an ecosystem?

• They produce food for other organisms

• They regulate the temperature of the environment

• They break down dead organisms and release nutrients

• They provide shelter for other organisms

Give an example of a herbivore.

• Lion

• Cow

• Eagle

• Bear

What role do detritivores play in an ecosystem?

• They break down dead organisms and release nutrients

• They hunt and consume other organisms

• They produce food using sunlight

• They regulate the population of other organisms

Which of the following organisms is a producer?

• Lion

• Oak tree

• Wolf

• Hawk

What is the source of energy for photoautotrophs?

• Inorganic chemicals

• Sunlight

• Dead organisms

• Other living organisms

Identify three different types of consumers. Which of the following is NOT a type of consumer?

• Herbivore

• Carnivore

• Detritivore

• Omnivore