The correct option is A.
The nature is organized in such a way that, one organism's waste is what the other organism will use as its own resources. For instance, during the process of photosynthesis, the oxygen that is produced as the by product of the photosynthesis process is what humans use to carry out their own breathing process.
Answer:
It means that from time to time, organisms change in form and function
Explanation:
As organisms live, they change and develop/mutate into better, stronger, and more functional creatures. This is in addition, because of the cells in the body.
Answer:
A. Convergent evolution
Explanation:
If analogous or structurally different oragns performing similar function.. We call that convergent evolution.
Reproduction, I am pretty sure
Hope this help