Natural selection 1. eliminates the need for competition 2. is responsible for new traits in a population 3. allows populations to adapt to change 4. interferes with a species ability to adapt to change

2paragraphs choose one team sport and one individual sport. what are the advantages and disadvantages of having to play each of these sports in gym class?

What is the most common blood type in the u.s.?

9. withdrawal occurs when alcohol is removed from the system after the brain a. adapted to the continued presence of alcohol b. become physically saturated with alcohol c. become impervious to the effects of alcohol d. begun to treat alcohol as a poison