1. The freshwater biome has a lower content of ______ than the marine biome?

2. Which of the following is not a part of the freshwater biome?

3. What type of freshwater biome is sometimes called a lentic ecosystem?

4. Which zone of a lake is the floor or bottom of the lake?

5. Which lake zone is the area closest to the shore?

6. Which of the following would be considered a lotic ecosystem?

7. Which of the following will have an impact on the ecology of streams and rivers?

8. Which of the following will vary depending on the type of geology that a river flows through?

9. What type of freshwater biome is a combination of land and water?

10. What is the longest river in the world?