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5 Written questions

4 Matching questions

  1. Food web
  2. Plankton
  3. Predators
  4. Photosynthesis
  1. a When two or more food chains overlap
  2. b Plants use carbon dioxide gas from the air and water in soil to make food in the form of sugar
  3. c Produces most of the oxygen on Earth
  4. d Have less energy available to them due to the fact that they are farther away from producers in a food chain

5 Multiple choice questions

  1. Depend on each other for food, but they also compete with each other
  2. An animal that eats only plants
  3. Include one-celled organisms such as algae, amoebas, yeast and bacteria
  4. Great horned owl
  5. The further a population of organisms is from producers, the less energy is available to that population

5 True/False questions

  1. Food chainsAre different in different ecosystems


  2. Food chainAre different in different ecosystems


  3. PlanktonA fox


  4. ProducerIn most ecosystems, the ? are green plants


  5. Without bacteriaPickles are made using helpful ?