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APES unit 2.1 review

APES unit 2 review

TermDefinition
Range of tolerance The limit of abiotic conditions that the species can tolerate
Fundamental niche A combination of abiotic and biotic factors where the species CAN survive, grow, and reproduce
Realized niche The abiotic and biotic factors where a species ACTUALLY exists/lives
Fitness of a species Traits impacting a species ability to survive and reproduce
Distribution of a species The areas in the world where the species are found, based on the realized niche of a species
Niche generalist Species that can survive under a wide range of abiotic and biotic factors, can eat wide varieties, or environmental conditions
Niche specialist Species that are limited to their fundamental niche and have a narrow range of environmental factors under where they can survive
Species richness The total number of a species in a given area, a good indicator of overall environmental health
Species evenness A measure of how all of the individual organisms in an ecosystem are balanced between the different species,
Phenotype the observable expression of a species
Genotype The combination of alleles that an organism has for a certain trait
Resilience Is determined by the amount of time an ecosystem requires to return following a disturbance
Resistance A measure of how much a disturbance impacts the flow or matter and energy within an ecosystem
Disturbance Any temporary change in environmental conditions that results in a change in in community composition or population size within an ecosystem, can be good or bad
Stressors Things that are bad for the community, weaken or damage productivity of an ecosystem
Primary Succession Brand new ecosystem
Secondary Succession When an ecosystem is impacted by a disturbance
Mutations Random change in the genetic code during DNA replication
Gene flow The movement of genes into or out of a population
Generic drift Through reproduction, the generic composition of both populations is altered, a random process
Bottleneck effect the loss of genetic variation that occurs after outside forces destroy most of a population
Founders effect When a small number of individuals are isolated from a larger population
Created by: mrisveglia
 

 



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