Science Quiz 37 Flashcards
1
Q
allows the stem to grow
A
Terminal bud
2
Q
Cells that form at the base of the petiole and severs (cuts) the leaf from the branch
A
Abscission layer
3
Q
Waxy protective layer on the leaf
A
Cuticle
4
Q
Bottom part of the tree
A
Shade leaf
5
Q
Inactive dead, hard wood
A
Heartwood
6
Q
the wood produced by the cambium layers
A
Annual growth rings
7
Q
The central core of a young woody stem
A
Pith
8
Q
Top part of the trees
A
Sun leaves
9
Q
Small pores that allow air to come in
A
Lenticel
10
Q
the rough outer covering of the tree
A
Bark
11
Q
The large, main root
A
Taproot
12
Q
Roots that grow from the plants stem, branches, and leaves
A
Adventitious
