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ch 23 vocab
vocab began
| Question | Answer |
|---|---|
| a waxy or fatty and waterplant layer on the external wall of epidermal cells | cuticle |
| one of many opening in leaf or a stem of a plant that enable gas exchange to occur(plural,stomata). | stomata |
| one of a pair of specialized cells that border a stoma and regulate gas exchange | guard cells |
| a conducting system of tissues that transport water and other materials in plants or in animals | vascular system |
| the three groups of plants (liverworts,hornworts,and mosses) that lack specialized condcting tissues and two roots, stems and leaves. | nonvascular plant |
| a plant that has a vascular system composed of xylem and phloem | vascular plant |
| a plant emryo that is enclosed in a protective coat. | seed |
| an organism in an early stage of development of plants and animals;in humans,a developing individual is referred to as an embryo form the second through the eighth week of pregnancy | embryo |
| a plant that produces seeds | seed plant |
| the reproductive structure of a flowering plant that usually consists of a pistil, stamens,petals and sepals | flower |
| the tissues that conducts food(sugars, amino acids, and mineral nutients) in vascular plants | phloem |
| The vascular tissue in plants that conducts water and dissolved nutrients upward from the root and also helps to form the woody element. | xylem |
| the portion of a plant that grows mostly above the ground includes the stems and leaves | shoot |
| the mainaly underground organ of vascular plants that holds plants in place and absorbs and stores water and minerals from the soil. | root |
| a region of undifferentiated plants celles that are capable of dividing and developing into specialized plant tissues. | meristem |
| a rootlike structure in nonvascular plants,such as mosses or liver worts, that holds the plants in place and aids in absortion | rhizoid |
| a horizontal, underground stem that provides a mechsnism for asexual reproduction. | rhizome |
| in animals a phototerceptor within the retina that can distinguish colors and is very sensitive to bright light. | cone |
| a woody vascular seed plant whose seeds are not enclosed by an ovary or fruit. | gymnosperm |
| a flowering plant that produces seeds within a fruit. | anigiosperm |
| a mature plant ovary, the plant organ in which the seeds are enclosed. | fruit |
| the inntermost sperm layer of the animal embryo; develops into the epithlikm of the pharynx,respiratory tract, digestive tract, bladder, and vlethra. | endosperm |
| a monocoty ledonous plant, a plant that produces seeds that have only one cotyledon | monocot |
| flowering plant with two cotyledons; the stem grows by deposit on its outside. | dicot |
| any nonreprodustive part of a plant | vegetative part |
| any grass that produce gains that can be used for food,such as rice,wheat,corn,oats,or barely | cereal |
| the edible seed or seedlike fruit of a cereal grass | gain |
Created by:
fiyoriwelencheal
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