3 Written Questions

1. Cold-blooded animals only live in cold places
2. The fertilization of eggs by sperm outside of the female's body
3. The fertilization of eggs by sperm in side the female's body

3 Multiple Choice Questions

1. Animals that maintain a constant body temperature despite changes in the environment
   1. Endotherms
   2. Internal
   3. External
   4. Ectotherms
2. Animals whose body temperatures change with the environment.
   1. Endotherms
   2. External
   3. Internal
   4. Ectotherms
3. Warm-blooded animals warm their bodies by capturing the heat released by chemical reactions in their cells
   1. External
   2. F
   3. Internal
   4. T

3 True/False Questions

1. F → Gills allow organisms to breathe in the water as well as on land

   True        False

2. T → Cold-blooded animals only live in cold places

   True        False

3. Cartilage → The skeletons of all vertebrate embryos are made up of cartilage but are usually replaced by bone as they grow

   True        False