Help me plz))) What type of organ has lost its original function through the process of evolution?

A)analogous structures

B)vestigial structures

C)embryologic structures

D)homologous structures

B

Explanation:

vestigial structures like appendix,external part of ear,etc have lost their original function through the process of evolution.

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.