Test 1

12345678910111213
Across
  1. 2. The food that a plant made for photosynthesis
  2. 4. Source of light energy for photosynthesis
  3. 6. Plant and animal both do _____ day and night.
  4. 8. ___ shows feeding relationship in nature
  5. 10. The green pigment in plant that needed for photosynthesis
  6. 11. ______ exchange is the change of carbon dioxide and oxygen in organism.
  7. 12. In a food chain, animal is always the ___.
Down
  1. 1. In a food chain, plant is always the ____.
  2. 3. The process that is done before photosynthesis experiment
  3. 5. Gas that is released after respiration
  4. 7. SYNTHESIS Only plant can do____ at day.
  5. 9. Iodine solution change to _______ after mix with starch
  6. 13. Gas that is needed for respiration