Nematodes and Arthropods

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Across
  1. 2. Arthropod size is partially limited due to __ content in the atmosphere.
  2. 5. Extinct arthropods that use to dominate the planet.
  3. 7. Nematodes reproduce by laying __.
  4. 11. One pair of legs per body segment. Carnivores
  5. 13. Two body segments, eight legs.
  6. 14. A baby roach growing into a larger similar looking roach is __ metamorphosis.
  7. 15. Arthropods have complex __ like hearts and brains.
  8. 18. Arthropods have a hard __ they must shed to grow.
  9. 19. Nematodes must shed this layer when they grow.
  10. 20. Nematodes reproduces __ with a male and a female.
Down
  1. 1. Roundworms scientific name.
  2. 3. Two pairs of legs per body segment. Herbivores.
  3. 4. Three body segments, six legs.
  4. 6. A caterpillar turning into a butterfly is __ metamorphosis.
  5. 8. Eyes with many lenses are...
  6. 9. Two body segments, usually pincers.
  7. 10. Daddy long legs are arachnids, but they are NOT...
  8. 12. Most nematodes live in other organisms making them...
  9. 16. Nematode symmetry.
  10. 17. Arthropods all have at least 2 body __.