Chapter 6 Flashcards
Predation
One organism pursuing and consuming another
Commensalism
One organism benefiting, the other not affected
Mutualism
2 or more organisms benefitting from each other
Parasitism
One organism benefits at expense of another
Symbiosis
Close relationship between 2 or more species that live together
Niche
How an organism lives
Limiting factor
What impedes growth or fall niche use
Succession
Predictable change in environment overtime
Pioneer organisms
First to establish new or destroyed area
Plant protections from herbivory
Taste, odor, thorns, bark, sap
Primary vs. secondary succession
How fast something comes back after being destroyed
Genetic - Diversity
Variety within species
Species - Diversity
Different unrelated organisms
Ecosystem - Diversity
Different habitats or parts of the world
Keystone species
Important organisms critical to survival of food web