Which of the following is a biotic factor in the prairie ecosystem?
a.
water
b.
sunlight
c.
soil
d.
grass

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

The 3 steps are vasoconstriction, temporary blockage of a platelet plug, formation of a fibrin clot better known as coagulation.

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