its basically a process thats plants use and many other organisms to convert light energy into chemical energy that helps them grow and without it, plants would go bye bye . :)
Plants and other creatures utilize photosynthesis to convert light energy into chemical energy, which is then released to power the organism's metabolic processes through cellular respiration.
A niche refers to the way in which an organism fits into an ecological community or ecosystem. How an organism interacts with it's environment. So, I believe the answer to be C.
