Acomplex of interconnected food chains in an ecosystem is called a/an
a. ecosystem.
b. food web.
c. ecological pyramid.
d. trophic stack.

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.

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?

Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.