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5 Written questions

5 Matching questions

  1. climax community
  2. biodiversity
  3. keystone species
  4. realized niche
  5. gause's principle
  1. a stable, mature community that reaches equilibrium after having evolved through stages and adapted to its environment
  2. b a species whose presence contributes to ecosystem's diversity and whose extinction would destroy other life forms
  3. c when a species settles for a smaller niche after battling against another species
  4. d # and variety of organisms in an area (ecosystem) more of it leads to better adaptability and chances of survival
  5. e no 2 species can occupy same niche at same time

5 Multiple choice questions

  1. amount of sugar that plants produce in photosynthesis ------ amount of energy that plant needs for growth, repair, etc.
  2. 1 species feeds off another
  3. species that originates from the area it lives in
  4. accumulation of a substance in various tissues of a living organism
  5. relationship where both species benefit

5 True/False questions

  1. parasitismrelationship where 1 is helped, and 1 is harmed


  2. ecotonessmaller regions in ecosystems that share similar physical features


  3. photosynthesissmaller regions in ecosystems that share similar physical features


  4. producerorganism that can convert radiant energy or chemical energy to carbs


  5. chemotrophorganism that nourishes oxidation of inorganic chemical compounds, instead of photosynthesis