Purple coneflower is a common plant in indiana. one year during a drought, the plants that had a shorter growing period survived better than the ones with a longer growing period. what effect did this most likely have on the plants? a) there was no change. b) the plants all died out. c) the plant adapted to have a longer growing period. d) the plant adapted to have a shorter growing period.

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.

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

What chemical speeds up the process of decomposition in dead organisms are exposed to it? nitrogen oxygen hydrogen chlorine