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Chapter 24 vocab
| Question | Answer |
|---|---|
| Cuticle | Waxy layer that covers the non-woody aboveground part of most plants. |
| Stoma | Poors to permit plants to exchange oxygen and carbon dioxide. |
| Guard cell | Pair of specialized cells that control the opening and closing of the stoma. |
| Vascular system | A system of well developed vascular tissue that distributes material more efficiently. |
| Nonvascular plant | Have no vascular system. |
| Vascular plant | Have a vascular system. |
| Seed | Structure that contains the embryo of a plant. |
| Embryo | Early stage in the development of plants and animals. |
| Seed plant | Vascular plants that produce seeds. |
| Flower | Reproductive structure that produces pollen and seeds. |
| Phloem | Relatively soft-walled cells transport organic nutrients in a kind of tissue. |
| Xylem | Hard-walled cells transport water and mineral nutrients in a kind of tissue. |
| Shoot | The part of the body that grows mostly upward and out of the ground. |
| Root | The part of the body that grows downward into the ground. |
| Meristem | Plant growth zones of actively dividing plant cells. |
| Rhizoid | Hair-like projections anchor the gametophytes to the surface on which they grow. |
| Rhizome | Horizontal underground stems. |
| Frond | Rhizome that is anchored by roots and leaves of a fern. |
| Cone | Clusters of non-green spore-bearing leaves form the structure. |
| Gymnosperm | Seed plants whose seeds do not develop within a sealed container. |
| Angiosperm | Flowering plants that produce seeds that develop while they are enclosed within a specialized structure. |
| Fruit | Structures in which the seeds of angiosperms develop |
| Endosperm | The speed of angiosperms have a supply of stored food at some time during their development. |
| Monocot | Flowering plants that produce seeds with one seed leaf. |
| Dicot | Flowering plants that produce seeds with two seed leaves. |
| Vegetative part | Any non-reproductive part of a plant. |
| Cereal | Grasses that are grown as food for humans and livestock. |
| Grain | Edible dry fruit that cereal grasses produce. |