C would be missing. because when secondary succession occurs, it was previously occupied and re-colonized. im almost positive because i kind of remember doing this a few weeks ago. hope this helps a bit!
The answer would be D) The growing population is taxing Earth’s resources which could lead to the extinction of many species (I just got this right)
I think you got both right yk?
Answer: mitochondria the powerhouse of the cell
Explanation:
a chemoreceptor would allow you to detect a smell .