State one piece of evidence that indicates that light penetrates to the bottom of the lake?

What role do traits play in affecting an organisms ability to reproduce? finches

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

In the practice of science, this type of reasoning is used to develop explanations.