After a major fire, grasses that are pioneer species start to grow in the ashy soil. The following list includes some of the ways that the grasses affect the ecosystem.
absorbing nutrients from the soil
absorbing water from the soil
providing food for animals
preventing erosion
Which of the items on the list contribute to ecological succession in the burned area?
A.
absorbing nutrients from the soil and providing food for animals
B.
preventing erosion and absorbing water from the soil
C.
absorbing nutrients from the soil and absorbing water from the soil
D.
preventing erosion and providing food for animals
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