Which statement about fossils could be used as evidence that evolution by natural selection has been in effect for millions of years? A Fossils found in higher layers of rock are older than those found in lower layers B Fossils found in lower layers of rocks are more complex than those found in higher layers C Fossils of current species have been found throughout rock layers that are billions of years old D Fossils of species that no longer exist but are ancestors of current species have been found in rock layers

D.  Fossils of species that no longer exist but are ancestors of current species have been found in rock layers

Explanation:

As you may already know, evolution is the term that refers to the changes in hereditary characteristics that have been caused among living beings from generation to generation. In the case of evolution by natural selection, we can say that it represents the passage of advantageous characteristics to the environment that have been passed between living beings through the generations.

This type of evolution is easily confirmed by the presence of fossils of the most diverse species of living beings in the world. This is because, as we know, fossils are records of species that do not currently exist, but existed millions of years ago and are similar to current species, being their ancestors.

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