review

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Across
  1. 2. gland pituitary gland is also known as
  2. 6. multicellular without nervous system
  3. 9. mollusks
  4. 11. petals in multiples of 3
  5. 12. this promotes strong bones
  6. 14. body's largest internal organ liver
  7. 16. symmetry organisms that can be cut into two equal halves
  8. 17. naked seeds
  9. 19. legume family
  10. 23. maintain water balance
  11. 24. segmented worm
  12. 25. important pigment in skin for brown color
Down
  1. 1. rose family
  2. 3. male reproductive structure of a flower
  3. 4. study of organism's shape and structure
  4. 5. infected animals
  5. 7. female reproductive structure of a flower
  6. 8. animals active during night
  7. 10. composite family
  8. 13. largest part of brain
  9. 15. chemical factories containing chlorophyll
  10. 18. tiny shoot of a seed
  11. 20. slowest mammal
  12. 21. clusters of flowers arranged in umbels
  13. 22. largest lymphatic organ