1. Species Roles What roles do various species play in communities?

2. Native Species Those that normally live and thrive in a particular community. Red Hills Salamander Killdeer

3. Invasive Species AKA nonnative or alien species Species that evolved elsewhere and migrated or are deliberately introduced into a community. Kudzu European Starling

4. Indicator Species Serve as early warning signs of damage or danger to a community.

5. Frog Life Cycle

6. Keystone Species They have a much larger effect on the types and abundances of many species in a community than their numbers would suggest. Sea Otter Honey Bee

7. Intertidal Keystone Species

8. Foundation Species Play a major role in shaping communities by creating and enhancing habitat that benefits other species.