5.2.1.4.1.2.4. River Ecosystem

Try these first

1. 1.

   What are the main producers in river ecosystems?

   Hint

   Think about what organisms you see attached to river bottoms.

2. 2.

   Who are the primary consumers in river ecosystems?

   Hint

   Consider animals that feed on algae.

3. 3.

   What is the main role of producers in a river ecosystem?

   • To break down dead matter
   • To produce energy through photosynthesis
   • To consume other organisms

   Hint

   What do plants do with sunlight?

4. 4.

   True or False: Decomposers are responsible for converting sunlight into energy.

   • True
   • False

   Hint

   Think about which organisms play the role of energy conversion.

5. 5.

   Design a river ecosystem based on a specific location. Include various producers, consumers, and decomposers. Describe their interactions.

   Hint

   Think about the roles each group plays and how they help one another.

6. 6.

   Evaluate the impact of pollution on river ecosystems. What effect does it have on producers and consumers?

   Hint

   Consider the dependencies in the food chain and how changes affect them.