Answer: The picture is cut off, but I believe the word is blood as 1 is pointing at some sort of blood vessel.
Explanation:
Ecology deals with the relations of ORGANISMS to ONE ANOTHER and to their PHYSICAL SURROUNDINGS
<span>the interdisciplinary study of how humanity affects other organisms and the abiotic environment</span>
Aerobic respiration process
For the answer to the question above, I will just complete the missing word for your statement.
<span>Regions of the CNS with an abundance of myelinated axons constitute the "White" matter. </span>
The answer is "white"
I hope my answer helped.