Organisms in the environment quiz

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1. How can you use a quadrat to make a transect?

  • A line is marked between two points and then the quadrat is placed at regular intervals along the line.
  • Place quadrats side by side to form a line across the area of study.
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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. 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.

4. Name the solution used to test a leaf for startch

  • Iodine
  • Nitrogen
  • Hydrogen

5. What is the word equation for photosynthesis?

  • Carbon Dioxide + Water ----> Glucose + Oxygen
  • Carbon Dioxide + Water ----> Glucose + Nutrients
  • Carbon Dioxide + Water ----> Starch + Oxygen


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