These variations are minor and they do not occur so frequently as to threaten the survival of the species as a whole, but these variations are entirely random, and thus they do not always work to the benefit of the organism. ... For example, a hawk exhibits certain behaviors when it sees a flock of birds. The hawk has an instinctual, biological drive that has been triggered to go out and look for food, but it hasn't consciously realized that a flock of birds could denote prey. ...

• Word Count: 2370
• Approx Pages: 9
• Grade Level: Undergraduate