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Web Notes V

RENR 205

Biodiversity variety of organisms including their unique attributes. e.g. genetics, adaptations, and species interactions
How many species have been identified? 2 million
How many species have been estimated to exist? 10-30 million
Fundamental niche range of conditions and resources in which species can survive and reproduce
Realized niche range of conditions and resources in which a species can survive with competitors and predators
Species pool entire group of species within a region
Species sorting restriction of species from a regional pool in local communities based on 1) tolerance of environmental conditions 2) resource requirements of species 3) interactions with other species
Competitive exclusion two species can not occupy one niche. one will be excluded
Competitive release positive species response to the removal of competitors, predators, and diseases
Created by: johndeere1091