Iwould like a quick lesson in biology. because i know nothing about the subject and would love to learn!

How does a gymnosperm prevent itself from pollinating the same tree

Which process of living things produces water that enters the water cycle

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.