The main function of the nematocyst is prey capture. The correct option among all the options given in the question is option "B". The nematocysts are used by Cnidarians like hydra, jellyfish etc. It is actually a specialized capsule that contains venom and it is used to paralyze and capture small preys for food and also to sting any enemy that comes near.
<span>Hormones are protein-based substance that are secreted by endocrine glands. They serve as a way to transport information from one part of the body to another in order to regulate.</span>
I’m not sure about 1 but 2 is D and 3 is A
The purpose of selective breeding<span> is to develop livestock whose desirable traits have strong heritable components and can therefore be propagated.</span>
