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No two species may occupy the same area and have the same niche
The controlling factor of an environment is the resource most critically in demand
Body mass increases with lattitude
Limb size decreases with lattitude
Analysis of extinction and colonization rates of areas based on proximity to source and size of area
A gradual boundary between two different ecosystems
The path a chemical substance moves through the Earth
Species richness
A system that has an overabundance of nutrients
Organisms search for food in a pattern to maximize their energy intake per time
The concentration of a substance increases at higher trophic levels
Models of energy that are thought to be controlled by higher trophic levels
Commonly used biodiversity index
Population size and mean individual fitness are positively correlated
Variation in reproductive success is higher in males
Ranges increase with latitude
Small species grow and larger species get smaller on islands
Significant trend towards larger body mass
Individuals are lighter colored in cold or dry climates
Changes in allele frequency due solely to chance
Reduced breeding population causes lower reproductive success
Species diversity is greater at medium levels of disturbance
The maximum number of individuals that can be taken from a population to attain zero growth
A group that is found in only native to one area
Noticeable lack of diversity
Natural processes and laws occurring today have always occurred in the past
Differences in biodiversity between two communities
A releationship in which one organism benefits and the other is seemingly unaffected
Large and sudden changes in the function and structure of an ecosystem
Maximum niche overlap possible for coexistence
Selection process for species to develop different patterns of resource use
A species whose impact on the ecosystem is disproportionate to its biomass
Light being produced by an organism
Managed use of natural resources
Parasites tend to be highly host-specific
Evolution of similarity in different organisms due to natural selection
Extensive limitation of a species's gene pool
Connection of terrestrial and aquatic enviornments
Science involved in the study of tissues
Belief that the planet contains resources that will forever meets human needs
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