Organisms in the environment quiz

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1. What is the difference between mean and median?

  • The mean is the total of all results added then divided by the amount of results. The median is the middle value range.
  • The median is the total of all results added then divided by the amount of results. The mean is the middle value range.
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2. Which one of these is a physical factor that affects the distribution of a plant.

  • Availability of water.
  • Predators.
  • Competition.

3. What is meant by reproducible results?

  • If the investigation is repeated and the same results are collected.
  • When someone copies the results.

4. What is meant by the term limiting factor?

  • Something which stops photosynthesis from being affective.
  • Something which prevents the rate of photosynthesis increasing.
  • Something that stops a plant from growing.

5. Why is it hard to make an investigation that is outdoors valid?

  • There are too many variables which are difficult to control.
  • Your equipment could be damaged by weather.

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