The answer is Echinoderms.
According to the Embryological studies, the most ancient chordates were closely related to the ancestors of the echinoderms. Echinoderms are members of the group Phylum Echinodermata of marine animals. Some known echinoderms are starfish, and sea cucumbers.
D. Carnivores that eat other animals
A biotic factor is a living organism that shapes its environment.
I think its 4 hope that helped
That’s a dependable variable because it’s relying on something else.
