Asnail-like, coiled, porous test (shell) of calcium carbonate is characteristic of

The answer is foraminiferans .

Explanation:

Foraminifera is amongst the various plentiful stripped people in various aquatic settings whereas in any details their cases are a mattering ingredient of the powder. The commonly believed arrangement of the ramification is based on that of Heimlich and Tap-pan.The Order Carboniferous informally ramification goes to the Kingdom Protagonist, Sub kingdom Protozoa,  has wastes on the sea level and anything shorter than them: diatoms, bacteria, algae and even small creatures such as small cope pods. In turn, forms are eaten by browsing monsters such as snails, coast dollars, sea-cucumbers and sauropods.

d is the answer

sorry if its wrong!