Sediments that are composed of the remains of once living organisms are called:
A) cosmogenous.
B) hydrogenous.
C) inorganic..
D) biogenous.
E) terrigenous.

Question

Quizplus · Accepted Answer

Sediments composed of the remains of once living organisms are known as biogenous sediments. They are typically found in areas of high biologic productivity such as upwelling zones or in deep ocean basins where the remains of dead organisms settle. Examples of biogenous sediment include diatomaceous ooze, radiolarian ooze, and foraminiferal ooze.

Sediments That Are Composed of the Remains of Once Living