the dark and light lines of the tree trunk are secondary xylem.do all for

Subject: the dark and light lines of the tree trunk are secondary xylem.do all for

Date: Mon Apr 2 06:24:20 2001
Posted by No name entered.
Grade level: 10-12 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Botany
ID: 986207060.Bt

Message:


them still functionable ? and where are the secondary phloem ?

Re: the dark and light lines of the tree trunk are secondary xylem.do all for

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