Stem structure

1. Vascular bundles are made up of specialized cells called

• xylem

• phloem

• xylem and phloem

Xylem cells form

• sieve tube

• sieve plates

• vessel

Phloem cells form

• vessels

• tube

• sieve tubes

4. The cylinder pattern helps the stem to resist the sideways bending forces caused by the wind

• True

• False

The tissue between the vascular bundles and the epidermis is called the

• pith

• vessels

• cortex

• tubes

The central tissue of the stem is called the ______

• pith

• cortex

• vascular bundles