Question

Which group of animals evolved first?
A. echinoderms B. chordates
C. flatworms D. cnidarians

Answer 1

Hello! The correct answer would be D. Cnidarians. :)

-Cheerio, and have a nice day!

Answer 2

hola!

→ your Query : Which group of animals evolved first?

→ ans. [ D ] Cnidarians

It is a phylum containing over 10,000+ species of animals found exclusively in aquatic environments

They are predominantly found in sea or marine water!

hope it helps!