Answer: definetly A, food webs
Explanation:
the other options are not even related to organisms
Answer:
D. respiration
Explanation:
It is basically a process that takes place in the cells of organisms. It converts chemical energy from oxygen molecules or even nutrients into ATP.
Hope this helped!
Answer:
a
Explanation:
this image shows what each letter changes to.
I believe the answer is B.
Mutualism, they both help each other out and both benefit