Answer:
D
Step-by-step explanation:
Let's look at each answer choice:
A) Autotrophs are organisms that produce their own food. Yes, plants make their own food through photosynthesis, so A is correct.
B) Heterotrophs are organisms that rely on others for food. No, as plants make their own food, they do not seek others for sustenance, so B is incorrect.
C) Primary producers are organisms that convert sunlight into energy for other organisms. Yes, plants do this through photosynthesis, so C is correct.
D) Since A and C are both correct, D must be the right answer.
Hope this helps!