Trees

A point on a stem that a leaf grows from is a...

• internode

• leaf scar

• lateral bud

• node

The main tissue of a tree trunk is called...

• pith

• vascular cambium

• wood

• bark

Growth of a tree in length is ______ growth.

• primary

• secondary

• annual

• third

The growth of a stem in diameter is called....

• annual growth

• primary growth

• secondary growth

• neutral growth

A tree with several main branches close to the ground has ______ branching

• spreading

• spire-like

• widened

• narrowed

The hard inactive, dead wood of a tree is the ...

• sapwood

• pith

• heartwood

• bark

The type of leaves that contain more chlorophyll and are found at the bottom of the tree are called _____ leaves.

• Sun

• terminal

• lateral

• shade

A root that goes deep into the ground and has secondary roots branching off the main root is a...

• taproot

• spreading roots

• adventitious roots

• prop roots

The structure that allows a twig to grow in length is a _______ bud

• lateral

• lenticel

• terminal

• scale

A stem produces new branches using ______ buds.

• terminal

• leaf

• scale

• lateral