usermanjake2 usermanjake2

07-02-2018
Biology

contestada

Microscopic organisms with calcium carbonate shells are called .

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FunnyGuy132 FunnyGuy132

07-02-2018

nannoplankton would be the answer. (btw they are unicellular)

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sav04rose sav04rose

26-02-2019

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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