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5 Written questions

5 Multiple choice questions

  1. the relation between two different kinds of organisms when one receives benefits from the other without damaging it.
  2. it is helpful to plants and animals, because plants absorb the nitrogen and makes the plants grow, then animals eat the plants and get the nutrients of the nitrogen absorbed plant. Then the carnivorous eat the herbivorous to get the nitrogen absorbed in the plant.
  3. O2
  4. a relationship between two species in which both species benefit
  5. CO2

4 True/False questions

  1. The role of a decomposer in an ecosystem?Role is to recycle waste and dead material, by changing it in to nutrients and minerals.


  2. communitiesmade up of all the population in an area


  3. parasitisma place or type of place were plants and animals are normaly found, you live


  4. Populationsgroup of the same kind of organism living in a certain place