Matching Pairs Tree Parts Matching Online version Match each tree part to the appropriate description by Samantha Foster 1 Sapwood 2 Inner Bark 3 Outer Bark 4 Cambium 5 Heartwood Scientific name phloem; supply line that carries food from leaves to branches, stems and roots. 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. Dead phloem cells that protect the tree from diseases and insects. The living xylem that transports water and nutrients up from the roots.
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