Cell Energy Review #1

What is a Photoautotroph?

• an organism that takes pictures of its food

• pictures of plants found on CK/12

• an energy efficient car

• organisms that use light energy to make organic compounds.

Photoautotrophs provide____ of the energy supply for life on Earth.

• 56%

• 22%

• 99%

• 87%

Photosynthesis provides over _____ percent of the energy for life on earth.

• 99

• 75

• 100

• 50

Cutting down a forest to clear land for a housing development will result in more energy for an ecosystem.

• True

• False

Water and carbon dioxide molecules are the PRODUCTS in the process of____

• cellular respiration

• photosynthesis

Plants are the only organisms that can perform photosynthesis.

• True

• False

Autotrophs are producers, heterotrophs are consumers.

• True

• False

In food chains heterotrophs function as ____.

• Consumers

• Producers

• Both A and B

• None of the above

What is the product of photosynthesis that becomes food for the autotrophs that produce it?

Autotrophs are also known as consumers

• True

• False