1. Describe an example of secondary succession. Begin your description with the specific disturbance that preceded it. 2. Draw a diagram of three concentric circles and label the circles to show the...

1. Describe an example of secondary succession. Begin your description with the specific disturbance that preceded it.

2. Draw a diagram of three concentric circles and label the circles to show the relationships among species, ecosystems, and communities. If you were adding symbiosis, predation, and competition to the simple system you have depicted, in which circle(s) would you place them?