Select the correct answer.

Which statement about the difference between autotrophs and heterotrophs is true?

A. Autotrophs transform radiant energy into chemical energy, but heterotrophs can't.
B. Autotrophs take in only oxygen, but heterotrophs take in both oxygen and carbon dioxide.
C. Autotrophs have two different electron transport systems, but heterotrophs have none.
D. Autotrophs don't have a Calvin cycle, but heterotrophs do.



Answer :

Final answer:

Autotrophs can produce their own food through photosynthesis, while heterotrophs rely on consuming organic matter. Autotrophs transform radiant energy into chemical energy, supporting ecosystems as the foundation of food chains.


Explanation:

Autotrophs are organisms that can produce their own food through processes like photosynthesis, where they convert sunlight into chemical energy to build carbohydrates. On the other hand, heterotrophs rely on consuming organic matter produced by other organisms for their food.

One key difference between autotrophs and heterotrophs is that autotrophs can transform radiant energy into chemical energy through photosynthesis, while heterotrophs cannot perform this process. Autotrophs play a crucial role in producing food that sustains ecosystems, serving as the foundation of food chains.


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