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| Organs found in vascular plants that anchor the plant and enable it to absorb water and nutrients from the soil. |
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| The hard, thick cell type of a plant |
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| The zone of cell division |
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| The area above the apical meristem where new root cells are produced |
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| The waxy covering over the outside of the leaf |
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| A flexible plant cell that occurs in strands that support young parts of the plant without restraining growth |
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| Vascular plant tissue that transport sugar and other organic nutrients down the plant (tubes mostly made up of living cells) |
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| Flowering plants that have two or more embryonic seed leaves (cotyledons) |
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| Vascular plant tissue that carry water and minerals up the plant (tubes mostly consisting of dead cells) |
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| Flowering plants that have one embryonic seed leaf (cotyledon) |
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| Plant tissue that allows the plant to grow longer |
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| Growth produced by lateral meristems, thickening the roots and shoots of woody plants |
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| The area of primary growth in roots where new cells elongate, sometimes up to ten times their original lengths |
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| A plant cell type that carries out most of the metabolism, synthesizes and stores organic products, and develops into a more differentiated cell type |
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| Meristems that thicken the roots and shoots of woody plants (allows them to grow wider) |
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| The aerial portion of the plant body, that consists of stems, leaves, and (in angiosperms) flowers |
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| The area of primary growth in roots where cells complete their differentiation and become functionally mature |
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| Growth produced by apical meristems, which lengthens the stems and roots of plants |
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| A seed leaf of an angiosperm embryo |
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| the terminal pollen sac of a stamen, found in angiosperms, where pollen is formed |
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| The dermal tissue system of non-woody plants usually made up of a single layer of tightly packed cells |
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| One or more layers of elongated photosynthetic cells on the upper part of a leaf |
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| Loosely arranged photosynthetic cells located below the Palisade Mesophyll cells in the leaf |
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| AN organelle found only in plants and photosynthetic protists that absorbs sunlight and uses it to drive the synthesis of organic compounds from CO2 to water |
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| Are microscopic pores surrounded by guard cells in the epidermis of leaves and stems that allow gas exchange between the environment and the interior of the plant |
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| The stalk of a flower's carpal, with the ovary at the base and the stigma at the top |
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| The sticky part of a flower's carpal, which traps pollen pollen grains |
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| The pollen-producing reproductive organ of a flower, consisting of an anther and a filament |
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| Modified leaves in angiosperms that help to enclose and protect a flower bud before it opens |
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| The portion of a carpal in which the egg-containing ovules develop |
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| Structures that develop within the ovary of a seed plant and contains the female gametophyte |
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| A single carpal or a group of fused carpals |
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| A mechanism of fertilization in angiosperms in which two sperm cells unite with two cells in the embryo sac to form the zygote and endosperm |
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| The diploid product of the union of haploid gametes in conception; a fertilized egg |
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| Hormones that affect the growth of plant tissues, stimulate or slows growth, stimulate cells to lengthen and differentiate, and affect the process of abscission |
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| Is the most common type of auxin and affects the roots and shoot tips of the plant |
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| Are a class of related plant hormones that stimulate growth, in the stem and leaves, trigger the germination of seeds and breaking of bud dormancy, and stimulate fruit development with auxin |
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Definition
| Are a class of related plant hormones that retard aging and act in concert with auxin to stimulate cell division, influence the pathway of differentiation, and control apical dominance |
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| The only gaseous plant hormone |
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| A plant hormone that slows down growth often antagonizing actions of growth hormones |
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The growth of a plant in a specific direction in response to a stimulus
Positive-movement toward a stimuli
Negative-Movement away from a stimuli |
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| Tropism that involves light |
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| Tropism that involves gravity |
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| Tropism that involves growing in response to touch |
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| Tropism that involves growing toward water |
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| Movement that is in response to a stimulus but independent of the direction of the stimulus |
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| The opening and closing of flowers in response to temperature changes |
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| A physiological response to photoperiod, the relative lengths of night and day |
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