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Raczkowski- Plants
Question | Answer |
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Nonvascular plant | have no pipes to transport water and nutrients |
Nonvascular plant | depend on diffusion and osmosis to move materials from one part of the plant to another |
Vascular plants | have tissues that deliver needed material to their cells |
Gymnosperms | a plant that produces seeds, but no flowers |
Angiosperms | a plant that produces seeds in flowers |
Pollen | the dustlike particles that carry the male gametophyte of seed plants |
Pollination | the transfer of pollen to the female cone in conifers or to the stigma in angiosperms |
Cotyledon | a seed leaf inside a seed |
Xylem | a specialized plant tissue that transports water and minerals from one part of the plant to another |
Phloem | a specialized plant tissue that transports sugar molecules from one part of the plant to another |
Sepal | the leaflike structures that cover and protect an immature flower |
Petal | the often colorful structures on a flower that are usually involved in attracting pollinators |
Stamen | the male reproductive structure in a flower that consists of a filament topped by a pollen-producing anther |
Pistil | the female reproductive structures in a flower that consists of a stigma, a style, and an ovary |
Stigma | the flower part that is located at the tip of the pistil |
Ovary | in flowers, the structure containing ovules that will develop into fruit following fertilization |
Dormant | describes an inactive state of a seed |
Chlorophyll | a green pigment in chloroplasts that absorbs light energy for photosynthesis |
Stomata | openings in the epidermis and cuticle of a leaf that allow carbon dioxide to enter the leaf |
Tropism | a change in the growth of a plant in response to a stimulus |
Phototropism | a change in the growth of a plant in response to light |
Gravitropism | a change in the growth of a plant in response to gravity |
Sporophyte | a stage in a plant life cycle during which spores are produced. |
Gametophyte | a stage in a plant life cycle during which eggs and sperm are produced |
Rhizoid | small, hairlike threads of cells that help hold nonvascular plants in place |
Rhizome | the underground stem of a fern |
Transpiration | the loss of water from plant leaves through openings called stomata |
Cellular respiration | the process of producing ATP in the cell from oxygen and glucose; releases carbon dioxide and water |