The greater the force exerted on the ball, the greater the acceleration of the ball. this is an example of a scientific ; a statement that describes, predicts, and/or explains why things behave as they appear to in the natural and physical world.

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).