The answer is the <span>traits are determined by proteins that are built according to the instructions stored in the genes. </span>
While it's true that Fossils hardly even contain DNA, they can still provide numerous clues in order to identify and verify an organism.
For example, in terms of Dinosaurs, their bones and fossils have provided enough evidence to provide an evolutionary link with modern birds.
Carbon dating is another way to find the age of a fossil which provides more information on it's surrounding habitat and the animals it interacted with.
D. He controlled variables by studying one or two traits at a time
It helps the cytoplasm work more and not die
