10. Someone said that light bent around a corner to reach an object. Is this possible? (there is no picture associated with this question) a
No, light travels in straight lines only.
b
Yes, light travels like a river, wherever there is an open path.
c
Maybe; light travels in unpredictable ways.
d
Yes, if the light is bright enough, then it can bend to follow a curved path.

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.