Why is the presence of organic material in the soil important? A)
It wards away plant eating organisms.
B)
It increases plant growth.
C)
It increases sunlight absorption.
D)
It increases water absorption.

D) It increase water absorption.

Explanation:

When a soil is at field capacity, organic matter has a higher water holding capacity than a similar volume of mineral soil.

structure is maintained and sustained by:

-cytoskeleton: gives cells coherence

-cell wall: support

-cytoplasm: shape

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•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: