All of the following are autotrophs EXCEPT (Multiple answers possible) a mushroom. the algae living inside a lichen. a giant redwood. a kangaroo. a cyanobacterium.

Kangaroo is not an autotroph.

Explanation:

Autotrophs are organisms that can produce their own food using the available materials present in their surrondings like light energy for photosynthesis and chemosynthesis.

Mushroom,cyanobacterium, algae and giant redwood are autotrophs because the produce their own food.

Kangaroo is an heterotroph because it cannot produce it own food and rely on other organism to feed .

i think that d. wind is the answer.   i missed the question when i answered a. currents.