Classification of Organisms

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Across
  1. 4. phyla that contain fish, frogs, snakes and humans.
  2. 5. plants that grow close to the ground, and has a true root system with no flowers.
  3. 6. current number of domains
  4. 7. phyla that contain sea stars, sand dollars and sea urchins.
  5. 8. Is the number of domains subject to change?
  6. 9. plants that grow tall, with a true root system and needles and cones
Down
  1. 1. plants with a true root system, flowers and often fruit.
  2. 2. plants that grow close to the ground, no true root systems, no flowers.
  3. 3. phyla that contain insects, spiders, and lobsters.
  4. 10. the current number of levels in the accepted hierarchy of classification.