PMT Notes!!

• Define interspecific variation


  The differences between species
• Define intraspecific variation


  Differences between individuals of the same species
• Why may sampling not be representative?

  • due to chance
  • sampling bias
• How to eliminate sampling bias?

  • use a quadrat or transect
  • place these on randomly generated coordinates in the sample area
  • Increase reliability of results = larger sample size needed
• (Species and taxonomy) what is the generic name?

  the genus to which an organism belongs

  • if a species is closely related it will share the same name
• (Species and taxonomy)what is the specific name?

  the species to which the organism belongs
• why is courtship behaviour often used?

  in order for members of the same species to recognise another during mating
• (courtship behaviour)What do members of the same species share?

  similar physical, biochemical and behavioural characteristics
• When does courtship behaviour take place?

  Before mating
• What does courtship behaviour enable individuals to do?

  • recognise members of their own species
  • synchronise mating
  • become able to breed
  • form a pair bond