Which statement best explains how meiosis changes the DNA of successive generations? A. Meiosis doubles the amount of egg and sperm cells.
B. Meiosis only produces egg cells found in female zygotes.
C. Meiosis produces gametes that aid in asexual reproduction.
D. Meiosis provides variation in the gametes produced by an organism.

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.