Describe three of the activities occurring during the cell cycle.
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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.

What problem would a person most likely have if her kidney did not work correctly?

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?