sources of food

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Across
  1. 4. dioxide - a type of gas that plants need for preparing their own food.
  2. 5. - a carbohydrate.
  3. 7. - green plants which produce.
  4. 9. chain - a chain of events which animals depend on each other.
  5. 10. - a vegetable that contains starch in it.
  6. 12. - plants depend on climate and what.
  7. 14. - animals which feed on dead animals.
  8. 15. - a process of plant preparing food by itself.
  9. 17. - insects which help to prepare honey from nectar.
  10. 19. - the chemical substance that our body needs.
  11. 20. - a stem plant which gives us sugar.
Down
  1. 1. - animals that depend on another living being for food.
  2. 2. - considered as animal food and taken from flowers.
  3. 3. - animals which eat the flesh of other animals.
  4. 6. - the last stage of a food chain.
  5. 8. - a bird which is a scavenger.
  6. 11. - a green pigment which green color in leaves.
  7. 13. - animals which eat green plants.
  8. 16. - animals which eat both plant and animals.
  9. 18. - salt and what are obtained from earth.