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Ch 15 G.H. Biology
Guest Hollow Biology Chapter 15 vocab
| Term | Definition |
|---|---|
| alternation of generations | change back and forth from one generation to the next between haploid gametophyte and diploid sporophyte stages in the life cycle of plants |
| angiosperm | type of seed plant that produces seeds in the ovary of a flower |
| cone | structure consisting of scales that bear naked seeds in the type of seed plants called gymnosperms |
| flower | structure in angiosperms consisting of male and female reproductive structures that attracts animal pollinators |
| fruit | structure in many flowering plants that develops from the ovary and contains seeds |
| gametophyte | haploid generation in the life cycle of a plant that results from asexual reproduction with spores and that produces gametes for sexual reproduction |
| germination | early growth and development of a plant embryo in a seed |
| gymnosperm | type of seed plant that produces bare seeds in cones |
| lignin | tough, hydrophobic carbohydrate molecule that stiffens and waterproofs vascular tissues of plants |
| ovary | one of two female reproductive organs that produces eggs and secretes estrogen |
| plant | multicellular eukaryote with chloroplasts, cell walls made of cellulose, and specialized reproductive organs |
| rhizoid | hair-like structure in a nonvascular plant that absorbs water and minerals and anchors the plant to a surface |
| seed | structure produced by a seed plant that contains an embryo and food supply enclosed within a tough coat |
| sporophyte | diploid generation in the life cycle of a plant that results from sexual reproduction with gametes and that produces spores for asexual reproduction |
| vascular tissue | type of tissue in plants that transports fluids through the plant, includes xylem and phloem |
| vegetative reproduction | asexual reproduction in plants using nonreproductive tissues such as leaves, stems, or roots |
| weed | plant that is growing where people do not want it |
| bryophyte | type of plant that lacks vascular tissues, such as a liverwort, hornwort, or moss |
| endosperm | stored food inside a plant seed |
| nectar | sweet, sugary liquid produced by the flowers of many angiosperms to attract animal pollinators |
| petal | outer parts of flowers that are usually brightly colored to attract animal pollinators |
| phloem | type of vascular tissue in a plant that transports food from photosynthetic cells to other parts of the plant |
| pistil | female reproductive structure of a flower that consists of a stigma, style, and ovary |
| seed coat | tough covering of a seed that protects the embryo and keeps it from drying out until conditions are favorable for germination |
| sepal | part of a flower that helps protect it while it is still in bud |
| spermatophyte | type of plant that reproduces by producing seeds |
| stamen | male reproductive structure of a flower that consists of a stalk-like filament and a pollen-producing anther |
| tracheophyte | type of plant that has vascular tissues, such as a seed plant or flowering plant |
| xylem | type of vascular tissue in a plant that transports water and dissolved nutrients from roots to stems and leaves |
Created by:
khirschy
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