bio

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Across
  1. 3. Many segments, 1/2 pair of legs on each segment
  2. 4. 3 segments, 3 pairs of legs, 1/2 pairs of wings
  3. 7. N
  4. 8. E
  5. 9. mostly aquatic arthropods, 2 pairs antennae
  6. 10. R
  7. 12. a phylum of invertebrates that have a segmented body and jointed appendages
Down
  1. 1. R
  2. 2. G
  3. 4. animal with no backbone
  4. 5. M
  5. 6. S
  6. 11. 2 segments, 4 pairs of legs, no antennae