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13 Cards in this Set
- Front
- Back
allelopathy (uh–leel’–uh–path”–ee)
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An adaptation in which toxic substances secreted by roots or shed leaves inhibit the establishment of competing plants nearby.
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alternation of generations
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A type of life cycle characteristic of plants and a few algae and fungi in which they spend part of their life in a multicellular n gametophyte stage and part in a multicellular 2n sporophyte stage.
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angiosperms (an’–jee–oh–spermz”)
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The traditional name for flowering plants, a very large (more than 300,000 species), diverse phylum of plants that form flowers for sexual reproduction and produce seeds enclosed in fruits
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(an’–thur)
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The part of the stamen in flowers that produces microspores and, ultimately, pollen grains.
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basal angiosperms (bay’–sl)
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Three clades of angiosperms that are thought to be ancestral to all other flowering plants. Compare with core angiosperms.
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calyx (kay’–liks)
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The collective term for the sepals of a flower.
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carpel (kar’–pul)
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The female reproductive unit of a flower
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coevolution
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The reciprocal adaptation of two or more species that occurs as a result of their close interactions over a long period.
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conifer (kon’–ih–fur)
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Any of a large phylum of gymnosperms that are woody trees and shrubs with needlelike, mostly evergreen leaves and with seeds in cones.
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core angiosperms
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The clade to which most angiosperm species belong. Core angiosperms are divided into three subclades: magnoliids, monocots, and eudicots. Compare with basal angiosperms.
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corolla (kor–ohl’–ah)
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Collectively, the petals of a flower.
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vessel element
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A type of water–conducting cell in the xylem of vascular plants.
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xylem (zy’–lem)
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The vascular tissue that conducts water and dissolved minerals in plants.
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