Grade 9 Ecology Chapter 3

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  1. Biodiversity
    The number and variety of organisms found in a specific region
  2. Protect
    To legally guard from harm a species that is listed as endangered, threatened, or of special concern
  3. Biodiversity hotspot
    A place where there is an exceptionally large number of species in a relatively small area
  4. Community
    All the populations of the different species that interact in a specific area or ecosystem
  5. Dominant species
    A species that is so abundant that it has the biggest biomass of any community member
  6. Keystone species
    A species that can greatly affect population numbers and the health of an ecosystem
  7. Captive breeding
    The breeding of rare or endangered wildlife in controlled settings to increase the population size
  8. Ecosystem engineer
    A species that causes such dramatic changes to landscapes that it creates a new ecosystem
  9. Succession
    The series of changes in ecosystems that occurs over time following a disturbance
  10. Habitat loss
    The destruction of habitats, which usually results from human acivities
  11. Deforestation
    The practice of clearing forests for logging or other human uses, and never replanting them
  12. Alien species
    A species that is accidentally or deliberately introduced to a new location, usually as a result of human activity
  13. Invasive species
    A species that can take over the habitat of native species or invade their bodies
  14. Overexploitation
    The use or extraction of a resource until it is depleted
  15. Biodiversity crisis
    The current accelerated rate of extinctions on Earth
  16. Restoration ecology
    The renewal of degrade or destroyed ecosystems through active human intervention
  17. Biocontrol
    The use of a species to control the population growth or spread of an undesirable species
  18. Bioremediation
    The use of living organisms to clean up contaminated areas naturally
  19. Bioaugmentation
    [bih-oh-awg-mun-TAE-shuhn] The use of organisms to add essential nutrients to depleted soils
Card Set
Grade 9 Ecology Chapter 3
Glossary Terms
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