ILL GIVE BRAINLIST In 2-3 sentences, summarize how variation impacts natural selection.

Use the "RAP" method to answer this short-answer question:

Restate the question.
Answer the question.
Prove your answer citing textual evidence from the course.
Don't forget to use complete sentences and proofread your answer.

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

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.

Why are some people more concerned about shark survival than about shark attacks?