How is an organic compound different from an inorganic compound?     a. photosynthesis is responsible for organic compounds.    b. organic compounds come only from nonliving things.    c. inorganic compounds contain oxygen atoms and hydrogen atoms.    d. organic compounds contain carbon atoms bonded to other atoms.

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.