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Chapter 24 vocab

QuestionAnswer
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.
Created by: ava-barnhill
 



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