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Biology
WCHS Biology Chapter 21
| Word | Definition |
|---|---|
| Cuticle | protective, waxy coating on the outer surface of the epidermis of most stems and leaves; important adaptation in reducing water loss |
| Leaf | the plant organ that grows from a stem in which photosynthesis usually occurs |
| Root | plant organ that absorbs water and minerals usually from soil; contains vascular tissues; anchors plant; can be storage organ |
| Stem | plant organ that provides support and growth; contains tissues that transport food, water, and other materials; organ from which leaves grow. Can serve as a food storage organ; green stems can carry out photosynthesis |
| Vascular Tissue | tissues found in vascular plants composed of tubelike, elongated cells through which water, food, and other materials are transported throughout the plant; include xylem and phloem |
| Vascular Plant | plant that has vascular tissues; enables taller growth and survival on land |
| Nonvascular Plant | plants that do not have vascular tissues |
| Seed | a plant organ of seed plants consisting of an embryo, a food supply, and a protective coat; protects the embryo from drying out and also can aid in dispersal |
| Frond | in fern leaves that grow upward from the rhizome; often divided into pinnae that are attached to a central rachis |
| Cone | in coniferophytes; scaly structures that support male and female reproductive structures; scaly structures produced by some seed plants that support male or female reproductive structures and are the sites of seed production |
Created by:
dmoudy
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