20. which of the following is an example of homeostasis?

a human participates in vigorous activity on a hot day and eventually suffers from dehydration.
a human body loses too much heat on a cold day, and hypothermia occurs.
a cactus stores water during wet periods, allowing it to live through dry periods.
a snake rests in the sun on a summer day, and its body temperature eventually becomes too hot for survival.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

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.

What is a long-term benefit of healthy eating?