Why decomposers play an important role in ecosystem​

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

Why is excretion necessary to maintain homeostasis?

What is used to keep track of the gamates and possible offsprings combination