Task 1 - put one cup of sand and one cup of pebbles in a plastic basin. label the state of matter combined Task 1: "name of substance" "state of matter" changes observed when mixed (21 points)

Biology 1c cumulative exam i need awsners

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.

Which organisms udergo photosynthesis