Question

which statement about foraminiferans is false? they can form shells that are composed of silica. foraminiferan fossils are useful in estimating global temperatures at the time of shell formation. the sand of some beaches is made up of the shells of foraminiferans. limestone deposits are the shells of ancient foraminiferans. foraminiferan fossils are useful in the classification of sedimentary rocks.

Explanation:

Foraminiferans form shells of calcium - carbonate, not silica. Foraminiferan fossils can be used in sedimentary rock classification, limestone deposits can be ancient foraminiferan shells, and foraminiferan fossils can help estimate past global temperatures. Beach sand can be made of foraminiferan shells.

Answer:

They can form shells that are composed of silica.