Referred to as a annual stage.<span />
I'd say it should be D. Peat. Hope this helps! =^-^=
I think A in am not a 100%sure tell me if I am wrong.
<span>the record of descent of an animal, showing it to be purebred.</span>
20% sames more like the answer than the other three. But I'm considering that it could be 50%, but, it doesn't convince me. So, I'd say: C. 20%