Question

Which of the following organisms is a heterotroph?

A. sunflower
B. alga
C. wheat
D. mushroom

Answer 1

the correct answer to your question is D. mushroom

Answer 2

the answer will be: D. mushroom

It's because mushrooms are organisms that cannot make their own food and must obtain energy from external sources unlike sunflower, algae, wheat.

Hope it helps! :D

And forgive me.