Question: tree

Answer: perennial, woody plants that grow to be at least 20 feet tall and have a single main stem or trunk

Question: crown

Answer: top portion of the tree

Question: 2 types of branching

Answer: spreading and spirelike

Question: spreading branching

Answer: several main branches close to the ground

Question: spirelike branching

Answer: trees have a strong central trunk like pines

Question: broadleaf trees

Answer: angiosperms; hardwood; reproduce by seeds formed in flowers

Question: deciduous

Answer: loses leaves in fall and stays bare all winter

Question: gymnosperm

Answer: non-flowering seed plants; soft wood trees

Question: evergreens

Answer: they keep their leaves all winter

Question: 3 types of gymnosperms

Answer: conifers, cycads, ginkgoes