Matching Pairs Tree Parts Matching Online version Match each tree part to the appropriate description by Samantha Foster 1 Outer Bark 2 Sapwood 3 Cambium 4 Inner Bark 5 Heartwood Cell layer that produces new bark (phloem) and new wood (xylem) every year. Composes most of the trunk and is made up of dead xylem cells; is like the backbone that supports the tree. The living xylem that transports water and nutrients up from the roots. Dead phloem cells that protect the tree from diseases and insects. Scientific name phloem; supply line that carries food from leaves to branches, stems and roots.
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