Name: Tom Z.
I have read that wetland plants have a special
adaptation - tubes that carry oxygen from the air down to the
roots. Where are these tubes located? How does this compare to the
manner in which upland (traditional) plants transport oxygen? How do
floating wetland plants like duckweed and lilies get oxygen?
Perhaps what you are looking for:
Anthony R. Brach, Ph.D.
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Update: June 2012