Term
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Definition
flower part containing microsporangia (629) |
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Term
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Definition
in plants, algae, and fungi a reproductive structure that produces gametes by mitosis (625) |
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Term
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Definition
in seedless plants, a reproductive structure that produces a single egg by mitosis (625) |
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Term
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Definition
in flowers, female reproductive structures (629) |
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Term
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Definition
an offspring produced by asexual production (639) |
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Term
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Definition
a piece of stem or root that is cut from a plant and used to grow new plants (640) |
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Term
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Definition
a state of decreased metabolism (637) |
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Term
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Definition
in plants, the process in which two types of cell fusion take place in the embryo sac (633) |
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Term
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Definition
in plants, a megagametophyte containing seven cells and eight nuclei (630) |
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Term
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Definition
the stem above the cotyledons (636) |
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Term
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Definition
in flowers, the structure that supports the anther (629) |
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Term
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Definition
in a pollen grain, the cell that forms two sperm (632) |
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Term
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Definition
a technique in which a portion of one plant is inserted into and grows with the root or shoot of another (640) |
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Term
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Definition
a phenomenon in which two types of spores are produced by an individual plant (627) |
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Term
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Definition
a scar along the edge of a plant seed marking where the seed was attached to the ovary wall (636) |
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Term
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Definition
a phenomenon in which all spores look alike and produce similar gametophytes (626) |
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Term
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Definition
a stemlike area in plants between the cotyledons and radicle (636) |
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Term
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Definition
in plants, one or two outer layers of the ovule; in animals, the outer covering (628) |
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Term
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Definition
the process of causing roots to form on a stem (640) |
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Term
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Definition
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Term
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Definition
structure that produces megaspores (628) |
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Term
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Definition
a spore produced by meiosis in a megasporangium (627) |
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Term
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Definition
a diploid cell in the ovule that undergoes meiosis to produce four haploid megaspores (630) |
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Term
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Definition
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Term
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Definition
a small opening in the integument (628) |
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Term
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Definition
structure that produces microspores (628) |
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Term
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Definition
a spore produced by meiosis in a microsporangium (627) |
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Term
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Definition
diploid cell in the pollen sac that undergoes meiosis to produce four haploid microspores (631) |
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Term
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Definition
egg producing gonad of a female (629) |
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Term
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Definition
the megasporangium of a flowering plant (630) |
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Term
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Definition
one of the leaf-shaped parts of the corolla of a flower, usually brightly colored and conspicuous (629) |
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Term
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Definition
a plant structure formed of fused carpels (629) |
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Term
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Definition
in plants, the structure composed of the epicotyl plus any embryonic leaves (636) |
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Term
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Definition
in plants, a nucleus that migrates to the center of the cell during embryo-sac formation (630) |
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Term
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Definition
the microgametophyte of seed plants (628) |
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Term
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Definition
a structure that grows from a pollen grain, down which the sperm travels to the eggs (628) |
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Term
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Definition
in plants, the embryonic root (636) |
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Term
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Definition
the swollen tip of a branch that is the base of a flower (629) |
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Term
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Definition
the protective structure of a plant seed (636) |
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Term
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Definition
a modified leaf that protects a young flower (629) |
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Term
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Definition
a cluster of sporangia in ferns (627) |
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Term
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Definition
the structure in the flower of plants that produces pollen (629) |
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Term
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Definition
an expanded apex of a pistil, supported by the style, the part of the pistil that receives pollen (629) |
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Term
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Definition
in plants, a stalklike structure of the ovary (629) |
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Term
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Definition
the growing of living cells in a controlled medium (640) |
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Term
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Definition
the cell of a pollen grain that contains the tube nucleus (631) |
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Term
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Definition
asexual reproduction in plants (639) |
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Term
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Definition
plant reproduction using nonreproductive parts (639) |
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