Asked by Kiana Cencula on Jun 26, 2024
Verified
The deposits of chalky fossils that build the White Cliffs of Dover were produced by
A) radiolaria.
B) foraminiferans.
C) ciliates.
D) diatoms (as diatomaceous earth) .
E) dinoflagellates.
Chalky Fossils
Fossils composed primarily of calcium carbonate making them appear white and chalk-like in texture.
White Cliffs
Natural formations made of white, chalky material, like the famous White Cliffs of Dover along the English coastline.
Diatomaceous Earth
A naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder, used in various industrial and commercial applications.
- Acquire knowledge on the ecosystem roles and the economic value of algae and protists.
Verified Answer
DB
Daniel BrennanJul 01, 2024
Final Answer :
B
Explanation :
The deposits that create the White Cliffs of Dover are largely made up of the remains of foraminiferans, marine microorganisms that produce a calcium carbonate shell. As these shells settle on the ocean floor and accumulate over time, they eventually become compacted into chalk rock formations like the White Cliffs.
Learning Objectives
- Acquire knowledge on the ecosystem roles and the economic value of algae and protists.