The answer is A because the subject is responding to something that is going on outside of it, if that makes any sense :)
Hope this helps! Have a great day!
I am pretty sure it is CD4 cell
Answer:
look below
Explanation:
My species is one of many
In order to solve the problem try it this way
a phylum is a level of classification
taxonomy is the scientific study of naming
All animals have a kingdom
Genus is a taxonomic rank
