Which statement about roots is true? . . a. the radicle develops into the primary root. secondary roots develop from the primary root.. . b. the radicle develops into the secondary root. primary roots develop from the secondary root.. . c. the radicle develops into the secondary root. the secondary root breaks down and divides to form the primary roots..

What are genotypes? what are phenotypes?

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

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.