click below
click below
Normal Size Small Size show me how
ch 23 biology scienc
ch 23 fdbujniqwcbjniwcuni
| Question | Answer |
|---|---|
| a waxy layer that covers the nonwoody above ground parts of most plants | cuticle |
| pores that permit plants to exchange oxygen and carbon deoxide | stomata |
| specialized cells that border each stoma | guard cells |
| a well developed vascular tissues that distribute materials more efficiently | vascular system |
| small plants without a vascular system | nonvascular plants |
| plants with a vascular system | vascular plants |
| a structure that contains the embryo of a plant | seed |
| an early stage in development of plants and animals | embryo |
| vascular plants that produce seeds | seed plant |
| a reproductive structure that produces pollen and seeds | flower |
| soft walled cells transport organic nutrients | phloem |
| hard walled cells transport water and mineral nutrients | xylem |
| the part of a plants body that grows upward | shoot |
| the part of a plants body that grows downward | root |
| zones of activity dividing plants cells | meristems |
| hairlike projections that anchor gametophytes to the surfaces on which they grow | rhizoids |
| early seedless vascular plant also had horizontal underground stems | rhizomes |
| rhizome that is water by roots and leaves | frounds |
| clusters of non green spore bearing leaves | cone |
| seed plants whose seeds do not develope within a sealed container | gymnosperms |
| seed plants or flowering plants | angiosperm |
| seeds of angiosperms have a supply of stored food | endosperm |
| flowering plants that produce seeds with one seeds leaves | monocots |
| flowering plants that produce seeds with two seeds leaves | dicots |
| is any noreproductive part of a plant | vegetative part |
| grass that are grown as food for humans and livestock | cereals |
| cereal grasses produce large numbers of a type of edible dry fruit | grain |