1. Have your clickers ready!

2. 1. Could be 2. Maybe 3. Hope so 4. Kitty!

3. 1. Mutations have no effect on survival. 2. Mutations are caused by natural selection. 3. Mutations are random and may be good, bad, or neutral.

4. 1. Being bigger and stronger. 2. Having more offspring. 3. Gathering more food. 4. Living longer.

5. 1. Variations are harmful. Only perfect forms survive. 2. Variation is normal, and is caused by minor mutations. 3. Variations are never inheritable, so they do not cause evolution.

6. 1. The population ceiling. 2. Carrying capacity. 3. Environmental cap. 4. The death rate.

7. 1. Predation 2. Disease 3. Climate 4. Competition

8. 1. Logistic growth 2. Exponential growth 3. Carrying capacity 4. A population bottleneck