Answer :
Some of the best information on climate history over the last several million years is based on the study of foraminifera. Foraminifera is also known as 'forams' .
Foraminifera, also known as "forams," are single-celled organisms that are part of the phylum or class of amoeboid protists. They are distinguished by streaming granular ectoplasm for catching food and other uses, as well as a common external shell (referred to as a "test") that can take on various shapes and materials. The Latin term for foraminifera means "hole bearers." Chitin tests, which can be found in a few simple genera, like Textularia, are thought to be the most basic form. The majority of foraminifera are marine and belong to the suborder Globigerinina. Benthic foraminifera are those that live on or in the sediment of the seafloor. Planktonic foraminifera are those that float in the water column at different depths.
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