Chapter 7: Community Ecology: 15th
edition
Identify the following. Be as
specific as possible, and include names, dates, and relevant facts as
appropriate. Be sure to explain the significance of the term. Use your own
words.
Case Study: American Alligator
-Why were they killed?
-What are their ecological roles?
-Alligators and herons?
-Keystone species
7.1 The Ecological Niche
Niche
Species richness
Generalist vs Specialist Species
7.2 Some General Types of
Species
Native
species
Nonnative
Species and their Problems
Indicator Species
Keystone Species and Loss of
Foundation Species
7.3 Species Interactions:
Competition and Predation
Interspecific Competition
Avoiding Competition techniques
Predation
Why do Species Compete?
Figure 7-8
How do Predators Capture Prey?
How do Prey Defend Themselves Against Predators?
7.4 Species Interactions:
Parasitism, Mutualism and Commensalism
Importance of Parasites
Mutualism: Legumes and Rhizobium bacteria
Commensalism
7.5 Ecosystem Structure and Ecological
Succession
Ecological Succession
Primary vs Secondary Succession
Pioneer Species
Climax Community
Figure
7-11
Figure 7-12
Species Replacement in Succession: Factors that Cause
it
Disturbance
Role of Fire in Succession
7.6 Ecological Stability
Resilience
Stability and Species Diversity
Why should we protect natural systems?