The answer is:
Echinodermata
The word echinodermata is Greek which literally means "Spiny Skin". Echinodermata is a phylum under kingdom animalia. Not all of them have spiny skins, but most of them do. Other characteristics would be their radially symmetric body. They have appendages that grow outward from the center. Examples of echinoderms would be sea stars and sea urchins.
C is the answer.We are using to classify organisms beyond molecular setting not by the physical structure.note-applicable for this question only
It would be A. True. I hope this helped you. Have a good afternoon
A group of rhinoceros is called a "crash".
After my research the answer is that they are forms of electromagnetic radiation as far as I know.