How does evolution explain why theire are different species on Earth?

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Which of the following explains why a tree is often used as a model to represent the principle of common descent