How Should the biological name of the giant water bug be written in binomial nominclature

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

What is the difference between a scientific hypotheses and a scientific theory?