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U1L04 Plants

AP Biology B

QuestionAnswer
An alignment of cytoskeletal elements and Golgi-derived vesicles that forms across the midline of a dividing plant cell. phragmoplast
Alternate name for land plants that refers to their shared derived trait of multicellular, dependent embryos. embryophyte
A diploid cell, also known as a spore mother cell, that undergoes meiosis and generates haploid spores. sporocyte
In plants, the male gametangium, a moist chamber in which gametes develop. antheridium
Plant tissue consisting of cells joined into tubes that transport water and nutrients throughout the plant body. vascular tissue
An informal name for a member of the phylum Lycophyta, which includes club mosses, spike mosses, and quillworts. lycophyte
A vascular plant that bears naked seeds—seeds not enclosed in protective chambers. gymnosperm
A mass of green, branched, one-cell-thick filaments produced by germinating moss spores. protonema
A ring of interlocking, tooth-like structures on the upper part of a moss capsule (sporangium), often specialized for gradual spore discharge. peristome
Vascular plant tissue consisting mainly of tubular dead cells that conduct most of the water and minerals upward from the roots to the rest of the plant. xylem
Vascular plant tissue consisting of living cells arranged into elongated tubes that transport sugar and other organic nutrients throughout the plant. phloem
In lycophytes, a small leaf with a single unbranched vein. See megaphyll. microphyll
A modified leaf that bears sporangia and hence is specialized for reproduction. sporophyll
A spore from a heterosporous plant species that develops into a female gametophyte. megaspore
Created by: jtaylor422
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