Plants are green because they contain the protein chlorophyll. A bucket was left on the lawn for one week. When the bucket was removed, the grass under the bucket had
turned from green to a yellowish white color. This change is due to the interaction between the grass and
decomposer organisms in the soil, an abiotic factor
2
the amount of sunlight, an abiotic factor
increased moisture under the bucket, a biotic factor
the metal composition of the bucket, a biotic factor