35pts

describe scientists experiment for each scientist describe their experiment and outcomes.
aristotle, redi, needham, spallanzi.

-pastuer describe the variables (independent variable, dependent variable.
-identify the control group and experimental group.
-describe the conclusion of each experiment (the outcome)
-identify whether it was a good or bad experiment follow the scientific method? state

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.