IGCSE Biology Characteristics of Living Things

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Across
  1. 2. They are unicellular organisms that sometimes have chloroplasts to make their own food
  2. 3. No backbone
  3. 5. Covered by feathers
  4. 6. Their cell walls are made up of cellulose
  5. 9. How do do you remember all the characteristics shown by all living things?
  6. 11. When you eat food
  7. 12. When you have a permanent increase in size and mass
  8. 13. Their cell walls have chitin
  9. 14. Lateral line along the body
  10. 16. A waterproof exoskeleton
  11. 20. I have several pairs of simple eyes and chelicerae
  12. 21. A type of bird
  13. 22. This is important for plants to make their own food
  14. 23. Removing waste products of metabolism
  15. 24. Used to identify unfamiliar organisms
  16. 25. If something changed its place
  17. 27. They normally have four legs
Down
  1. 1. Their chromosomes are not in a nucleus
  2. 4. Chemicals in your cells breaking down nutrient molecules and releasing energy for metabolism
  3. 7. I have two pairs of antennae and a carapace
  4. 8. Latin names used for animals
  5. 10. The ability to detect and respond to changes in the internal or external environment
  6. 15. I have a pair of legs for each body segment
  7. 17. A group of organisms that can reproduce to produce fertile offspring
  8. 18. I am cold-blooded
  9. 19. They digest solid food internally
  10. 26. My ears a little special