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  1. 1. CompetitionCompetitionAbioticAbiotic DominantDominant SpeciesSpecies PopulationPopulation Habitat KeystoneKeystone SpeciesSpecies ExoticExotic SpeciesSpecies Definitions of Ecological Terms EcosystemEcosystem BioticBiotic DynamicDynamic EquilibriumEquilibrium HomeostasisHomeostasis NicheNiche SpeciesSpecies CommunityCommunity BalanceBalance Ecology
  2. 2. Row 1, Col 1 Ecology is the scientific study of the relation of living organisms to each other and their surroundings.
  3. 3. 1,2 Biotic Factors are living things that shape an ecosystem.
  4. 4. 1,3 Competition is the struggle amongst species in an ecosystem for the same resources or niche.
  5. 5. 1,4 Species refers to a group of organisms that look alike and can interbreed.
  6. 6. 2,1
  7. 7. 2,2 Abiotic Factors are non-living chemical and physical factors in the environment.
  8. 8. 2,3 Homeostasis is the tendency of an organism to maintain internal equilibrium by adjusting its physiological processes when resources are limited.
  9. 9. 2,4 A Dominant species is a species of plant or animal that is particularly abundant or controls a major portion of the energy flow in a community.
  10. 10. 3,2 Biotic Factors are living things that shape an ecosystem.
  11. 11. 3,3 Dynamic Equilibrium is any system with constant change in which the components adjust to the changes without disturbing the entire system.
  12. 12. 3,1 Ecosystem is a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving things in the same environment.
  13. 13. 3,4 A Keystone species is a species whose influence on community structure is greater than its abundance would suggest.
  14. 14. 4,1 Population is a group of organism of the same species that live in the same habitat at the same time.
  15. 15. 4,2 Habitat is a particular environment in which any one species of plant or animal is able to live.
  16. 16. 4,3 Niche describes the relational position of an organism’s species or population in its ecosystem to each other.
  17. 17. 4,4 An Exotic species is a species living outside its native distributional range. It may have arrived in the ecosystem by human activity, either deliberate or accidental.
  18. 18. 5,1 Community is made of all organisms of various species that share an ecosystem.
  19. 19. 5,2 Balance is a condition of harmony or equilibrium.
  20. 20. 5,3 Niche is a term describing the relational position of a species or population in its ecosystem to each other.
  21. 21. 5,4