Question

which of the following organisms is an autotroph?
options: mushroom, caterpillar, vulture, oak tree

Explanation:

An autotroph is an organism that can produce its own food, typically through photosynthesis or chemosynthesis. Mushrooms are fungi (heterotrophs, decomposers), caterpillars and vultures are animals (heterotrophs, consumers). Oak trees are plants that perform photosynthesis to make their own food, so they are autotrophs.

Answer:

D. oak tree