Well, I can give you some examples to research!
The polar bear, the North Pole, Canada, and in general cold climates.
Climates; tundras (or toendra’s)
The polars, see the polar bear
And the rainforest, so around the equator.
Answer: C.Food
Explanation: In the process of photosynthesis, the chloroplasts in the cell make the food- sugar/glucose-. they do this by collecting the sunlight, water, and carbon dioxide, making the food. Any food they don't end up using is then converted to oxygen.
Extinction of losing its species hope this helps you