The correct option is C.
Roundworm belongs to the kingdom animalia and to the phylum nematoda. It has round, unsegmented, smooth and thin body which can grow to the maximum of four feet in length. It has a bilateral symmetry. A roundworm has no skeleton and it reproduces sexually.
Isotonic since in a hypertonic solution the cell would shrivel up and in a hypotonic solution it would lyse (burst).
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
