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.

Answer 1

Hlo

Only the third statement i.e. They use sunlight, water and carbon dioxide to make sugars is true about autotrophs but not heterotrophs .

All other statements are false.

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Answer 2

Correct answer is the third option - They use sunlight, water, and carbon dioxide to make sugar.

More details:

Plants are examples of Autotrophs in which 'photosynthesis'. occurs. It is a process in which chlorophyll pigment present in the green plants absorbs sunlight and the heat energy is utilized to produce food (glucose / sugar) by combining carbon dioxide and water.

Animals are examples of Heterotrophs do not produce their own food.