Activity 2 problem: what will happen when the ecosystem is altrede or destroyed?

what you need:

1. Wash the gravel and sand and place it in the container

2. Fill the bowl with water

3. Add small plant that can be found around you

4. Fill half of the container with water and put the fish

5. Record the status of the living things inside the container for 2 days.

6. After three days of recording. Add the nil inside the container

7. Record again the status.​