Question

which of the following is an ecosystem service?
a) permafrost formation
b) soil erosion
c) pollination of crops
d) habitat fragmentation

Explanation:

Ecosystem services are benefits humans get from ecosystems. Permafrost formation (a) is a geological process, soil erosion (b) is a negative process, habitat fragmentation (d) is a threat to ecosystems. Pollination of crops (c) is a regulating ecosystem service as it helps in crop production, benefiting humans.

Answer:

c) Pollination of crops