Why are pollen grains useful when studying the climate history of a region?

A. They may contain the remains of ancient organisms.
B. They may have rings inside them that reflect variations in the local climate.
C. They can be preserved within the fossils of organisms that carry them.
D. They provide clues about the types of plants that grew in a region at a particular time.



Answer :

Final answer:

Pollen grains offer insights into past plant types and their distribution, aiding in understanding climate history.


Explanation:

Pollen grains are useful in studying the climate history of a region because they can provide clues about the types of plants that grew in a region at a particular time. Each plant species produces a different sized and shaped pollen grain, allowing palynologists to determine which plants were present or trace plant migration as climate changes.


Learn more about Pollen grains and climate history