A Snail-Like,coiled,porous Test (Shell)of Calcium Carbonate is Characteristic of Which

Question

A snail-like,coiled,porous test (shell)of calcium carbonate is characteristic of which group?
A)diatoms
B)foraminiferans
C)radiolarians
D)amoebas

Accepted Answer

The description of a snail-like, coiled, porous shell made of calcium carbonate is characteristic of foraminiferans, which are single-celled organisms with a test made of calcium carbonate. Diatoms have a hard outer wall made of silica, radiolarians have tests made of silica, and amoebas do not have shells.