13 Matching Annotations
  1. Feb 2017
  2. Sep 2016
    1. Mechanical defenses, such as the presence of thorns on plants or the hard shell on turtles, discourage animal predation and herbivory by causing physical pain to the predator or by physically preventing the predator from being able to eat the prey.

      Defense towards predators.

  3. Aug 2016
    1. The steps of the scientific method will be examined in detail later, but one of the most important aspects of this method is the testing of hypotheses by means of repeatable experiments.

      Determining if your hypothesis is correct or if you need to alter it and retest your hypothesis.