The water-conducting portions of xylem are made up of two kinds of cells, _______ and _______.

The transpiration that moves water through xylem is ultimately powered by _______.

To move dissolved sucrose through phloem, a plant must first _______ sucrose into _______ cells. This produces an osmosis that results in a fluid _______ that transports the sucrose.

Unlike the case with animals, plant growth comes only at ______ of roots and shoots and can go on ______.

Everything in the plant ultimately develops from ______ tissue, through collections of this tissue known as ______.

Most plants fall into the category of the broad-leafed _______, but many of out most important food crops are narrow-leafed _______.

Dermal tissue is tissue located at the _______ of a plant, while vascular tissue forms a plant’s _______ system.

Xylem is the tissue through which _____ and _______ flow, while phloem is the tissue that conducts the _______.

The primary function of roots is to absorb _____ and __________.

The primary function of leaves is to serve as sites of _______.

Flowers are the _______ structures of plants.