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Dmitrij [34]
3 years ago
10

Microscopic organisms with calcium carbonate shells are called .

Biology
2 answers:
forsale [732]3 years ago
8 0
Nannoplankton would be the answer. (btw they are unicellular)
Mashcka [7]3 years ago
7 0

Foraminifera is a a single-celled planktonic animal with a perforated chalky shell through which slender protrusions of protoplasm extend. Most kinds are marine, and when they die, their shells form thick ocean-floor sediments.

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