Answer: Paleozoic
Explanation: The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another plants became widespread. And the first vertebrate animals colonized land.
DNA? I think I'm not 100% sure
Elephant organism => classifying Organism
I believe the answer is E) Input
The answer is A. macromolecules
There are 4 types of macromolecules; lipids, proteins, carbs and nucleic acids