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  1. What is a natural selection?
    a characteristic that makes an individual better suited  to its environment may eventually become common in that species
  2. What is a adaptions?
    the behaviors and physical characteristics that allow organisms to live successfully in their envirronments
  3. What is niche?
    the role of a organism in its habitat, or how it makes its living

    the niche includes the type of food the organism eats, how it obtains its food and which other organisms use the organisms as food
  4. What are the 3 types of ineractions among organism?Catty Please Soar
    • 1.competition
    • 2. predation
    • 3. symbiosis
  5. What is competition?
    struggle between organisms to survive as they attempt to use the same limited resource 
  6. What is predation?
    An interaction in which one organism kills another for food
  7. What is predator?
    an organism that dose the killing
  8. What is the effect of predation on population size? 
    populations of predators and their prey rise and fall in related cycles
  9. What are some examples of animals adaptation?
    running fast, tentacles of poison,stingers big eyes,mimiery, protective covering,false coloring camouflage
  10. Plant adaptations? 
    sticky, bulbs cactus, rose thorn
  11. What is symbiosis?
    a close relationship between two species that benefits at least one of the species
  12. What are 3 types of symbiotic relationship? Mules Can Pull
    • 1. mutualism
    • 2. commensalism
    • 3. parasitism 
  13. What is mutualism? 
    a relationship in which both species benefit and the other is nether helped or harmed
  14. What is commensalism?
    A relationship in which one species benefits and the other is neither helped or harmed
  15. What is parasitism?
    involves one organism living on or inside another organism and harming,but not killing, it
  16. What is  parasite?
    • the organism that benefits in a parasitic relationship
    • (usually smaller that the host)
    • Ex:fleas,ticks,leeches, and tapeworms
  17. What  is a host?
    The organism that a parasite lives on or in.The host is harmed by the parasite
  18. What is a prey?
    the organism that is killed
Card Set
Ecology flash cards
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