Which one of the following statements is an example of hearsay? a. "i checked the patient's blood pressure three times." b. "the report said the patient died on january 15." c. "the report was on my desk when i arrived for work." d. "i saw the doctor administer the injection."

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.