Energy Flow Review

An organism that makes its own food using energy from the sun, water, and carbon dioxide is called a:

• producer

• consumer

• decomposer

• predator

Plants use energy from the ______ to ______.

• sunlight, make their own food

• moonlight, grow taller

• wind, disperse seeds

• rain, absorb nutrients

A diagram that contains many different food chains and how they are connected is called a:

• food chain

• food web

• photosynthesis

How would you draw an arrow to connect lettuce and Mateo in a food chain?

• From Mateo to lettuce

• From lettuce to Mateo

• No arrow needed

• Both directions

What might happen to the food web if all the rabbits in this ecosystem disappeared?

• The hawk population would increase

• The grass would decrease

• The snake population might decrease

• The mouse population would increase

If the grass in the ecosystem disappeared, which animal would be directly affected first?

• Hawk

• Snake

• Rabbit

• Mouse

Name the four purposes of an animal's food.  

• Nutrition, hydration, exercise, play
• motion, growth, repair, body warmth

• energy, motion, repair, sleep

• Sensation, adaptation, migration, hibernation

Give an example of a decomposer

• Rabbit

• Fungus
• Plant
• Animal

What is the role of bacteria in a composter?

• Bacteria produce oxygen for plants.
• Bacteria make their own food.

• Bacteria eat mushrooms

• Bacteria decompose organic matter and convert it into compost.

An organism that gets its energy from eating other organisms 

• Decomposer
• Consumer

• Autotroph
• Producer