Matter and Energy in Ecosystems

What is made by plants during photosynthesis?

• water and carbon dioxide
• oxygen and sugar

• oxygen and carbon dioxide
• oxygen and water

Cellular respiration uses which gas to create energy in animals?

• carbon dioxide

• oxygen
• sugar
• nitrogen

In which way are photosynthesis and cellular respiration different?

• Cellular respiration stores ATP, while photosynthesis releases ATP.
• Cellular respiration produces oxygen, while photosynthesis uses oxygen.
• Photosynthesis releases energy, while cellular respiration stores energy.
• Photosynthesis uses carbon dioxide, while cellular respiration creates carbon dioxide.

An organism that lives by breaking apart dead organic matter into simpler parts is...

• herbivore

• consumer
• detritivore

• carnivore

An animal that eats other animals is a....

• carnivore
• omnivore
• herbivore
• detritivore

An animal that eats only plants is an...

• carnivore
• omnivore
• herbivore
• detritivore

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

What is a producer? 

• Organism that creates their own food.
• Organism that eat other organisms for energy
• Organism that eat other dead organisms

Which way is the energy flowing? 

• From the owl to the grass

• From the grass to the owl

What is a food chain?

• A model showing the transfer of energy from the sun to a producer then a consumer.

• All the interactions in an ecosystem showing energy and nutrient flow.