which of the following is an example of a living organism interacting with something abiotic in an ecosystem? a deer grazing in a meadow; a bee pollinating a flower; a worn living in the soil; a hawk eating a snake

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.