Question

Spiny skin is the characteristic feature of which phylum:a)Mollusca b)Porifera c)Echinodermata d)Arthropoda

Answer 1

Answer:

c

Explanation:

I think it's option c

Echinoderm, any of a variety of invertebrate marine animals belonging to the phylum Echinodermata, characterized by a hard, spiny covering or skin

Answer 2

Answer:

Echinoderms Echinodermata

Explanation:

Echinoderms. Echinodermata are named for their spiny skin (from the Greek “echinos” meaning “spiny” and “dermos” meaning “skin”). The phylum includes about 7,0001 described living species, such as sea stars, sea cucumbers, sea urchins, sand dollars, and brittle stars. Echinodermata are exclusively marine.