Population

Questions on key words, sampling techniques, humand populations and life expectancy. 

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  • Created by: tcrj
  • Created on: 23-08-14 18:57

1. Which factor when decreased, increases competition and therefore population size?

  • Temperature
  • Light
  • Humidity
  • pH
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Other questions in this quiz

2. Frequency can be measured using a point quadrate. If 2 out of the 7 opints are touching a flower what is the frequency as percentage?

  • 0.28%
  • 28.6%
  • 35%
  • 30%

3. One assumption of mark releaser recapture is that marking hasn't rubbed off. What is another?

  • No births or deaths
  • Immigration and emigration
  • systematic distribution of organisms
  • Marking is poisonous

4. How does temperature effect population size?

  • Too cold increases metabolic rate = increase population
  • Too hot means denature of enzymes = decrease population
  • Too hot means more kinetic energy for enzymes = increases population
  • Too cold denatures enzymes ( change active site) = decrease population

5. What factors decrease population growth?

  • Births & emigration
  • Immigration & emigration
  • Deaths & emigration
  • Deaths & immigration

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