Which of the following best describes a community? a. all of the seagulls that live along the coast, as well as the sand and the water b. all of the living things that live and interact along the coast c. all of the seagulls that live and interact along the coast d. all of the seagulls that live along the coast, the fish they eat, and the water

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.

As molecules are formed from metabolism, entropy __ and the universe becomes less disordered. a. is decreased b. is increased c. moves closer to equilibrium d. is unchanged

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?