Which is the most inclusive division of time on the geologic time scale? period

epoch

eon

era

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.

If garbage is left on the street flies in microbes can arise from nothing to feed on it true or false