Unit Summary 

Catastrophic events such as hurricanes, tornadoes, floods, droughts, earthquakes, volcanoes, blizzards, and fires impact ecosystems in different ways. The impact catastrophic events have on an ecosystem can last for many years. Following a disturbance primary or secondary succession occurs.

Essential Questions

• How would you describe ecological succession occur of a catastrophic event occurring in nature and in a garden?
  
• What impact a catastrophic event have on an environment?
• How does the intensity of a catastrophic event affect the land features and food supply of that ecosystem?
• Which catastrophic events cause primary succession?
• What catastrophic events cause secondary succession?
• How is biodiversity achieved through succession?
• How does global climate change affect ecosystems?

Resources given in class

http://www.sophia.org
https://katyisd.instructure.com/login/ldap

Vocabulary

ecological succession
primary succession
secondary succession
catastrophic event

On-line Resources

Ecological Succession-
http://www.countrysideinfo.co.uk/successn/summary.htm
FEMA-
http://www.countrysideinfo.co.uk/successn/summary.htm