Why are there many niches of species in one mountain?

a. the leeward and wayward sides of the mountain have different elevations. b. there's no water on the top of a mountain to support life. c. the elevation changes of the mountain cause different climates. d. the biotic factors on the mountain force interspecific competition.

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.

Which could be a pathway of food through an ecosystem

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked