Which is the best indicator of a population's health and nutritional status? a) number and causes of death b) gender of newborn babies c) number of government food programs d) number of low-birth weight infants

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

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.

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?