PLZ ANSWER

What did scientists like Darwin use to group species before DNA, and why do you think DNA is better to classify species."

Darwin noticed that some fossils of extinct animals were similar to living species. What did Darwin notice when he compared some fossils to living species? Hutton and Lyell concluded that Earth is extremely old. Also, the processes that changed Earth in the past are the same processes that operate in the present.

Explanation:

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.