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MrsR.days flashcards chapter 3
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Bodiversity
The number and variety of organisms that are found in a specific region
Protect
To legally gard from harm a species thst is listed as endangered or threatened
Biodiversity hotspot
A place where there is exceptionally large number of species in a realatively small area
Community
A community is all the populations of all diferent species that interact in a specific area or ecosystem
Dominant species
A dominant species is so abundant that it has the biggest biomass of any community member
Keystone species
A keystone species can greatly affect population numbers and the health of an ecosystem
Captive breeding
The size of a population that can be supported indefinetley by the avalibale resources and services of an ecosystem
Ecosystem engineer
A species that causes such dramatic changes to the landscape that it creates a new ecosystem
Sucession
The series of changes in an ecosystem thst occurs over time following a disturbance
Habitat loss
The destruction of a habitat, usually caused by human activites
Deforestation
The practice of clearing forests for logging or other human uses,and never replanting them
Alien species
A species that is accidentally or deliberatley introduced to a new location,usually a result of human activities
Invasive species
A species that can take over the habitat of a native species or invade their bodies
Overexplotation
The use or extraction of a resource untill it is depleted
Extinction
The death of all of the individuals of a species
Biodiversity crisis
The current accelerated rate of extinctions on earth
Restoration ecology
The renewal of degraded or destroyed ecosystems through active human intervention
Reforestation
The regrowth of a forest either through the planting of seeds or trees in an area where a forest was cut down
Biocontrol
The use of a species to control the population growth or spread of an undesirable species
Bioremediation
The use of living organisms to clean up contaminated areas naturally
Bioaugmentation
The use of organisms to add essential nutrients to depleated soil
Author
Aamir101
ID
175130
Card Set
MrsR.days flashcards chapter 3
Description
Mrs.R days chapter 3 flash cards
Updated
2012-10-03T00:47:17Z
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