Description

Quiz on Untitled, created by madeeha.samad on 17/12/2014.
madeeha.samad
Quiz by madeeha.samad, updated more than 1 year ago
madeeha.samad
Created by madeeha.samad over 9 years ago
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Resource summary

Question 1

Question
How is variation measured?
Answer
  • qualitative tests
  • by taking samples
  • measuring every aspect of organism

Question 2

Question
What is sampling?
Answer
  • taking measurement of individuals, selected from the population of organisms which are being investigated
  • observing especially in order to evaluate general health or determine the cause of illness.
  • observing the species of an organism

Question 3

Question
How may sampling bias be prevented?
Answer
  • Random sampling, using large sample size or analysing data collected
  • natural selection
  • have human involvement any way possible to prevent bias

Question 4

Question
Why may a sample not be representative of the population as a whole?
Answer
  • sampling bias or by chance
  • species are different
  • its very hard to investigate all species
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