Which of the following is a biotic factor in the prairie ecosystem?

a.

water

b.

sunlight

c.

soil

d.

grass

I will go with sunlight

Biotic means living. There are some obvious abiotic factors here. The only gray area is what "soil" encompasses

grass-Biotic means living, all of the other choices are not living, and would therefore be abiotic factors

d. grass

This is because it is a living thing (performs photosynthesis and cellular respiration).

Biotic means living, all of the other choices are not living, and would therefore be abiotic factors.

I think is grass