1. How does the type of water found in a water ecosystem affect the kind of organisms that live there?
2. How are earthquakes, landslides, tsunamis and plates all related?
3. How water can be found as a solid, liquid and gas? Explain your answer using the earth systems involved in this interaction.
4. An aquatic plant introduced to North America about 100 years ago reproduces rapidly and forms a thick mat on top of the water. How does this affect its lake environment?
a) It increases the populations of other aquatic plants.
b) It deceases the populations of fish and other animals.
c) It increases the amount of oxygen reaching other aquatic plants.
d) It decreases the amount of sunlight reaching other aquatic plants
5. Hurricanes get their energy from
a) cool ocean waters
b) warm ocean waters
c) increasing land temperatures
d) decreasing land temperatures
