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6. What are xylem tubes made of?

  • Dead cells joined end to end with no end walls between them and a hole down the middle
  • Living cells joined end to end with no end walls between them and a hole down the middle

7. Which way does the transport go in?

  • Both directions
  • One direction

8. What are phloem plants made of?

  • Columns of living cells, with large holes in the middle to allow stuff to pass through
  • Columns of living cells, with small holes in the ends to allow stuff to pass through
  • Columns of dead cells, with small holes in the ends to allow stuff to pas through