What set darwin's theory of natural selection apart from the theories that scientists proposed before him? no scientist had such formal training. no scientist had thought of it before. darwin based his theory purely on speculation. darwin based his theory on a wealth of evidence.

Which phrase best describes surface currents? 1. up-and-down ocean movement caused by wind 2. waves that hit the shore at an angle and transport sand 3. streams of warm water flowing through the ocean and caused by wind 4. waves that approach the shore and cause their crests to fall into their troughs

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.