Life Processes & Our Environment

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Across
  1. 2. Layer protecting Earth from UV rays
  2. 4. Tiny finger-like projections in the small intestine
  3. 6. Green pigment in leaves
  4. 8. Organ that pumps blood
  5. 9. Main source of energy
  6. 10. Process by which green plants prepare food
  7. 14. Organism that feeds on dead matter
  8. 16. Water movement through plants
Down
  1. 1. Process of breathing
  2. 3. Harmful change in environment
  3. 5. Organ where digestion begins
  4. 7. Natural home of organisms
  5. 8. Plant-eating animals
  6. 9. Tiny pores on leaves
  7. 11. Gas required for respiration
  8. 12. Removal of wastes from body
  9. 13. Interaction of organisms with surroundings
  10. 15. Fluid connective tissue in humans