The distance of planet jupiter from the sun is approximately 7.8 ⋅ 108 kilometers, and the distance of planet mercury from the sun is approximately 5.8 ⋅ 107 kilometers. about how many more kilometers is the distance of jupiter from the sun than the distance of mercury from the sun?

Ascientific idea becomes valid when it is what?

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.

How energy move through ecosystem ?