Evolution Test Review. 1. Give a definition for evolution. Why do living things need to evolve? Definition: living things changing over time by which.
Evolution Test Review
To understand evolution you have to first have an understanding of the age of the Earth. The Earth is estimated to be approx. 4.6 billion years old. The.
What is Evolution???? THEORY - It IS a THEORY that says that present-day life forms developed from earlier, distinctly different life forms - Evidence.
