Answer:
Killer T cells release enzymes that help destroy invading foreign matter (antigens), Helper T cells, on the other hand, stimulate another type of lymphocyte known as B cells. B cells produce antibody, which is a protein made in response to a specific antigen.
The moon is abiotic because it is a non living thing
When a muscle contracts, a bone will move. When a bone contracts, a muscle will move. ... When a ligament contracts, a tendon will move.
Answer:
B. the genetic diversity of the crops will decrease
Explanation:
without the influence of the insects, the crops will have no reason to change
