Explanation should include
- parts of a tree (roots, trunk, bark, leaves)
- how trees grow (seedling or cuttings)
- definition and identification of:
- cambium
- phloem
- pith
- sapwood
- growth rings
- heartwood.
Process/Skill Questions:
- How do trees develop?
- What environmental factors affect how trees grow and reproduce?
- What are the limiting factors of tree structure and growth?