Choose all the answers that apply.
which of the following statements are true?
ethical scientists make unbiased conclusions.
n
a dishonest scientst has a lot of integrity.
o confirmation bias is the most common type of bias in science.
science is based on opinion and subjective evidence.
bias can be ruled out when similar results are obtained from repeated experiments.

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.