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Match each material with its most suitable description. ____ limestone a. extracted from kelps ____ chert b. a dried red alga ____ alginates c. rocky radiolarian remains ____ nori d. extracted from red algae ____ carrageenan e. remains of foraminifera
Biology: The Unity and Diversity o...
Biology: The Unity and Diversity o...
Match each material with its most suitable description.
| ____ | limestone | a. extracted from kelps |
| ____ | chert | b. a dried red alga |
| ____ | alginates | c. rocky radiolarian remains |
| ____ | nori | d. extracted from red algae |
| ____ | carrageenan | e. remains of foraminifera |
To match: The material with its most suitable description.
Explanation of Solution
Limestone - e. remains of foraminifera
Remains of foraminifera that lived and died in the oceans for more than 500 million years ago have fallen into the sea floor. The geologic processes have transformed the accumulations of foraminiferal shells into chalk and limestone. They are calcium carbonate–rich sedimentary rock.
Chert - c. rocky radiolarian
Geological processes have transformed the remains of radiolarian shells into a rock called chert. It is a sedimentary rock that consists of microcrystalline or cryptocrystalline, which is the mineral form of silicon dioxide.
Alginates - a. extracted from kelps
Kelps are the sources of alginates...
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