Author of "The Origin of Species by Means of Natural Selection".
Who is Charles Darwin
100
Each organism plays one of these roles in a community.
What is a producer, consumer, or decomposer?
100
The consumption of one individual by another. Usually of different species.
What is Predation?
100
An organisms role in an ecosystem, free from competition or scarce resources.
What is a fundamental niche?
100
Tropical rain forests and corral reefs are examples of these.
What are communities with extremely high species richnes?
200
The process in which individuals that are better-adapted to their environment are more likely to survive and reproduce.
What is Natural Selection.
200
An association of different populations interacting in the same location and time.
What is a community?
200
An intimate relationship or association between two or more species.
What is Symbiosis?
200
An organisms role in an ecosystem, accounting for competition and scarce resources.
What is a relized niche?
200
Important environmental benefits that ecosystems provide to people.
What are Ecosystem Services?
300
Cumulative genetic changes that occur over time in a population.
What is evolution?
300
The process of community development over time, where species are replaced by different species.
What is succession?
300
Symbiosis is the result of this.
What is Coevolution?
300
An environmental resource that restricts the ecological niche of an organism.
What is a limiting resource?
300
An essential, but random part of the evolutionary process.
What is mutation?
400
This random occurence is essential for populations to evolve.
What is genetic mutation?
400
The change in species composition over time in a previously uninhabited environment.
What is primary succession?
400
The nitrogen fixing bacteria and legume plants are an example of this type of symbiotic relationship.
What is Mutualism?
400
The term for organisms that avoid the competitive exclusion principle by specializing and narrowing their niche.
What is Resource Partitioning?
400
The central reason why Steller Sea lion populations crashed in western Alaska.
What is the crash of the Herring population in western Alaska?
500
The term given to the process whereby individuals with favorable charactoristics are more likely to pass along their genetic traits to future generations.
What is Differential Reproductive Success?
500
Ecological succession that begins in an environment following destruction of all or part of an earlier community.
What is Secondary Succession?
500
Epiphytes and trees is an example of this type of symbiotic relationship.
What is Commensalism?
500
The idea that no two species can indefinitely occupy the same niche in the same community.
What is the Competitive Exclusion Principle?
500
This essential component of the evolutionary process is not random.