Four students collected data for the average resting heart rates of 100 people. "Bpm” stands for "beats per minute.” They then compared their data to the national average, which was 70 bpm.

Alma Patti Chase Mikayla
71 bpm 69 bpm 72 bpm 110 bpm
Which results are the least likely to be reproducible?

Alma
Patti
Chase
Mikayla

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.