20 pts! and brainliest if i have enought pts and u answer in 6 min

antoine drew a diagram to compare two kinds of evidence that support the theory of evolution. which label belongs in the area marked x? no longer used by species links different species to a common ancestor evidence of adaptations to similar environments part of comparative anatomy studies

The word X represents the organs which is  no longer used by the species.

Explanation:

The word vestigial shows the characters that is not used by the species anymore. Example is appendix which is considered as a vestigial organ in human beings as it is no longer useful for the human body.

This organ was used when there was only vegetarian food available for the human beings to eat.

But now that animals and vegetable both are available there is no need for the enzyme required the digestion of cellulose.

So, this organ is vestigial for the human body.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse

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.