to decompose. to pollinate flowers. to recycle nutrients in the soil. to collect acorns and bury them in the soil.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: In a forest ecosystem, the niche of a squirrel population is
Possibilities:
- to decompose.
- to pollinate flowers.
- to recycle nutrients in the soil.
- to collect acorns and bury them in the soil.

to collect acorns and bury them in the soil.