Question

which of these statements is true about autotrophs, but not heterotrophs? they use sugar and oxygen to make carbon dioxide and water. they use chlorophyll and oxygen to make carbon dioxide and water. they use sunlight, water, and carbon dioxide to make sugars. they use sunlight, water, and oxygen to make chlorophyll.

Explanation:

Autotrophs perform photosynthesis where they use sunlight, water, and carbon - dioxide to produce sugars and oxygen. Heterotrophs cannot perform this process. The first two options describe cellular respiration which both autotrophs and heterotrophs can do. The fourth option is incorrect as sunlight, water, and oxygen are not used to make chlorophyll.

Answer:

They use sunlight, water, and carbon dioxide to make sugars.