Introduction to Plants (chap. 23)
terms
Terms
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- Gymnosperms
- Seed plants whose seeds do not develop within a sealed container
- Embryo
- An early stage in the development of plants and animals
- Nonvascular plants
- Plants that have no vascular system
- Dicots
- Flowering plants that produce seeds with two seed leaves
- Vascular System
- A system of well-developed vascular tissues that distribute materials more efficiently
- Monocots
- Flowering plants that produce seeds with one seed leaf (cotyledon)
- Xylem
- The tissue that conducts water and mineral nutrients in vascular plants
- Endosperm
- A triploid (3n) tissue that develops in the seeds of angiosperms and that provides food for a developig embryo
- Angiosperms
- Flowering plants
- Seed plants
- Vascular plants that produce seeds
- Seed
- A structure that contains the embryo of a plant
- Meristems
- Zones of actively dividing plant cells that produces plant growth
- Cone
- A structure formed of clusters of nongreen spore-bearing leaves
- Rhizoids
- Hairlike projections that anchor the gametophytes to the surfaces on which they grow
- Fronds
- A rhizome that is ancored by roots and leaves
- Fruit
- A specialized structure in which seeds develop
- Guard cells
- A pair of specialized cells that border each stoma
- Root
- The part of a plant's body that grows downward
- Flower
- A reproductive structure that produces pollen and seeds
- Stomata
- Pores that permit plants to exchange oxygen and carbon dioxide
- Cuticle
- A waxy layer that covers the nonwoody above-ground parts of most plants
- Rhizomes
- Horizontal underground stems
- Shoot
- The part of a plant's body that grows mostly upward
- Phloem
- The tissue that conducts food (sugars, amino acids, and mineral nutrients) in vascular plants
- Vascular plants
- Plants that have a vascular system