1
the four butterflies in the illustrations represent the offspring in the f, generation.
which statement is best supported by the phenotypes of these offspring?
a the f, generation is composed only of males.
b two of the offspring in the f, generation will not be able to reproduce.
c the f, generation is the result of a dihybrid cross.
d two of the offspring in the f, generation will experience a spontaneous mutation.

Name the part of the the brain labeled "e".

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.

9. the history of life on earth is recorded in