Terms : Hide Images
| 236111117 | Auxin - R | a plant hormone that promotes root formation and bud growth | |
| 236111118 | Gibberillins - R | a naturally occurring plant hormone that causes dramatic cell elongation and helps break dormancy in seeds | |
| 236111119 | Ethylene - R | hormone that promotes leaf abscission and fruit ripening | |
| 236129901 | Roots - M | portions of the plant that are below the ground | |
| 236129902 | shoots - M | portions of the plant that are above the ground | |
| 236129903 | Ground tissue - M | tissue found between the dermal and vascular systems. | |
| 236129904 | collenchyma cells - M | live cells that provide flexible and mechanical support - often found in stems and leaves | |
| 236129905 | parenchyma cells - M | cells that have many functions in ground tissue and are the most prominent of the ground tissue | |
| 236129906 | mesophyll cells - M | parenchyma cells that are found in the leaves of plants and allow CO2 and O2 to diffuse through intercellular spaces | |
| 236129907 | sclerenchyma cells - M | cells that protect seeds and support the plant | |
| 236129908 | vascular tissue - M/N | one of the three types of plant tissue, consists of the xylem and phloem | |
| 236129909 | xylem - M/N | supports the plant and provides transport of water and minerals from the soil. These cells are dead | |
| 236129910 | vessel elements - M/N | xylem cells that carry water more efficiently because of their structure | |
| 236129911 | tracheid cells - M/N | xylem cells that carry water, but not efficiently | |
| 236129912 | phloem - M/N | plant structure that carry sugars throughout the plant | |
| 236129913 | sieve-tube members -M/N | mature phloem cells (and are alive) | |
| 236460779 | Dermal tissue -M | tissue the provides the protective outer coating for plants | |
| 236460780 | guard cells-M | cells the control the opening and closing of stomata | |
| 236460781 | stomata-M | pores on the leaves of plants that allow CO2 to come in and allow water and O2 to leave | |
| 236460782 | Roots -M/N | part of the plant that absorb minerals and water in the soil | |
| 236460783 | root hairs - M | tiny hair-like extensions that increase the surface area of the root allowing it to absorbs more water and nurtients | |
| 236460784 | dicot - M | angiosperm with two cotyledons inside its seed, flower parts in multiples of four or five, and vascular bundles in rings | |
| 236460785 | monocot - M | angiosperm whose seeds have one cotyledon | |
| 236460786 | taproot - M | roots that are one thick root with very little division into small branches | |
| 236460787 | fibrous root - M | roots that have shallow entry into the ground and provide a strong anchor | |
| 236460788 | endodermis - M | a cylinder of cells that form the casparian strip, which water proofs the plant and keeps water loss at a minimum | |
| 236460789 | casparian strip - M | cylinder of cells in the endodermis that controls water loss | |
| 236460790 | Vascular cylinder - M | made from pericycle | |
| 241753528 | pericycle - M | The outermost layer of the vascular cylinder of a root, where lateral roots originate. | |
| 241753529 | meristemic cells - M | cells that allow a plant to grow as long as they live | |
| 241753530 | apical meristem - M | actively dividing cells that leads to an increase in plant length | |
| 241753531 | primary growth - M | an increase in the length of a plant; caused by cells of the apical meristem | |
| 241753532 | lateral meristems - M | cells that extend all the way through the plant and lead to an increase in width of the plant | |
| 241753533 | Secondary growth - M | growth in the width of the plant; caused by the lateral meristem | |
| 241753534 | Root cap - M | protective structure that keeps roots from being damaged during push through the soil | |
| 241753535 | Zone of cell division - M | section of root where cells are actively dividing | |
| 241753536 | zone of elongation - M | section of the root where cells absorb water and increase in length to make the plant taller | |
| 241753537 | Zone of maturation - M | section of the root past the zone of elongation where cells differentiate to their finalized form (phloem, xylem, parenchyma, epidermal, etc) | |
| 241753538 | shoots - M | part of the plant that is above ground | |
| 241753539 | cuticle - M | waxy covering of the leaf which functions to decrease transpiration rate | |
| 243581463 | palisade mesophyll - M | Area of leaf that contains many chloroplast and where most photosynthesis will take place | |
| 243581464 | spongy mesophyll - M | Loosely arranged photosynthetic cells located below the palisade mesophyll cells in a leaf; provide CO2 for photosynthesis | |
| 243581465 | Stomata - M | pores on the leaves through which CO2 comes in, and O2 (and sometimes water) exit | |
| 243581466 | guard cells - M | The two cells that flank the stomatal pore and regulate the opening and closing of the pore. | |
| 243581467 | cutin - M | waxy covering around the stem that provides protection | |
| 243581468 | vascular cambium - M | lateral meristematic tissue that produces vascular tissues and increases the thickness of the stem over time; also gives rise to the secondary xylem and phloem | |
| 243581469 | cork cambium - M | A cylinder of meristematic tissue in plants that produces cork cells to replace the epidermis during secondary growth | |
| 243581470 | abscisic acid -R | A plant hormone that brings about dormancy in buds, mantains dormancy in seeds, and brings about stomatal closing, among other effects. | |
| 243581471 | Auxin -R | substance produced in the tip of a seedling that stimulates cell elongation and has important roles in phototropism and gravitropism | |
| 243581472 | cytokinins -R | Stimulates cell division, leaf enlargement, and growth of lateral buds. Causes dormant seeds to sprout. | |
| 243581473 | ethylene -R | hormone that promotes leaf abscission and fruit ripening | |
| 243581474 | gibberellins -R | hormone that causes growth: promote seed and bud germination, stem elongation, and leaf growth; stimulate flowering and development of fruit; affect root growth and differentiation | |
| 243581475 | tropism -R | A growth response of a plant toward or away from a stimulus | |
| 243581476 | gravitropism -R | response of a plant to the force of gravity; influenced by auxin and gibberellins | |
| 243581477 | phototropism -R | Plant growth in response to light; influenced by auxin | |
| 243581478 | thigmotropism - R | plant growth in response to touch | |
| 243581479 | coleoptile -R | The covering of the young shoot of the embryo of a grass seed. | |
| 243581480 | circadian rhythm - R | a daily cycle of activity observed in many living organisms | |
| 243581481 | photoperiodism -R | a plant's response to seasonal changes in length of night and day | |
| 243581482 | florigen -R | A flowering signal, not yet chemically identified, that may be a hormone or may be a change in relative concentrations of multiple hormones. | |
| 243581483 | phytochrome -R | A plant pigment that controls the photoperiodic response | |
| 243581484 | root pressure- N | The upward push of xylem sap in the vascular tissue of roots. | |
| 243581485 | capillary action -N | a phenomenon associated with surface tension and resulting in the elevation or depression of liquids in capillaries | |
| 243581486 | cohesion-theory -N | theory that explains how the physical properties of water allow it to move through the xylem of plants; state that as H20 evaporates from open stomata, water is pulled up capillaries to replace what was lost | |
| 243581487 | translocation -N | the transport of dissolved material within a plant |
