Abromeliad is a plant that provides water and shelter to frogs. the bromeliad does not gain or lose anything in the relationship. this is an example of
parasitism
mutualism
commensalism
competition

What are some characteristics of a free enterprise economy?

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.

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these