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Answer:
In the absence of decomposers, soil, air, and water would not be replenished, and all the nutrients present would soon get exhausted. Hence, the cyclic process of life and death would be disrupted and life would come to an end.
Since phenotypes generally are descriptions of insects or humans, an example of a red-winged butterfly's phenotype would be the red hue of its wings. Phenotypes are observed characteristics. Though, genotypes are the entailed genetic constitution of that being. Genetic constitution goes beyond the naked eye's observations, so an example of that would be the red-wing color gene it has.
its due to diffusion this happens some times osmosis as well
Microevolution includes evolution at the population and community level.