Question

TheRe thorns of Calcium Carbonate on the body of the animal named ______.

A) fish
B) snail
C) sponge
D) starfish

Answer 1

sponge is the right option

Answer 2

sponges. sponges are from the animal kingdom and from phylum porifera and have various characteristics like large holes and are multicelualr orgainism and have channels for circulation of water and nutrients.

These organisms are found in freshwater and salt water. they do not possess any of the following systems like digestive respiratory and circulatory. the flow of nutrients take place through constant water flow.