In a population of lizards, we see the frequency of the allele that calls for green pigmentation increase from 50%, to 75%, and then 90% in three generations. Why might this be? 1. The brown lizards have a different breeding season.

2. The green lizards have a higher rate of reproduction.

3. The green trait is more favorable and increases chances of survival and reproduction.

4. The brown trait is more favorable and increases the chances of survival and reproduction.

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.