Rank the following scientific questions from the general to the most narrowly focused question.   a. how do mountains form? b. how did hawaii’s underwater mountain of mauna kea form? c. how do underwater mountains form?

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.