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37 Cards in this Set
- Front
- Back
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In what Division is mosses in?
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D. Bryophyta
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In what Division are ferns in?
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D. Pterophyta
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In what Division are flowering plants in?
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D. Anthophyta
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In what Division are horsetails in?
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D. Sphenophyta
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In what Division are club mosses in?
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D. Lycophyta
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What is the dominant stage for the mosses?
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gametophyte stage (n)
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In the mosses what follows the gametophyte stage and by what process?
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gametes (n) are formed by mitosis
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What is the male gametangium?
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antheridia
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What is the female gametangium?
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archegonia
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In mosses, what is the stage between spores and gametophyte?
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protonema
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What follows the zygote stage?
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sporophyte stage
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What follows the sporophyte stage and by what process?
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spores by meiosis
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In a fern prothallus where are the archegonia and antheridia located?
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archegonia on top and antheridia towards the bottom by the rhizoids
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Another word for a fern prothallus is what?
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gametophyte
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What is the dominant stage in a fern?
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sporophyte
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What do rhizoids do?
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they anchor the fern to the ground
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What is the frond in a fern?
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the whole leaf
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What are the sori on a fern and what do they contain?
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the little buds underneath the leaves and they consist of many sporangia
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What is inside sporangia?
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the spores
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What is a sporophyll?
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leaf structure that produces spores
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What is pollination?
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when pollen is transferred from the anther to a stigma by the wind
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In flowering plants, what does the male microspore become?
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the male gametophyte (3 celled pollen grain)
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What does the male gametophyte in flowering plants become?
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1 outercase, 1 pollen tube, 2 sperm
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What does the female megaspore become?
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the female gametophyte
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What does the femal gametophyte in flowering plants become?
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8 celled embryo sac
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What do two of the cells become in the embryo sac?
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endosperm (3n)
egg, which becomes the zygote (2n) |
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How many cotyledons do monocts have per seed?
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one
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How many cotyledons do dicots have per seed?
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two
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In monocts, the flower parts are in multiples of _____?
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three
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In dicots, the flower parts are in multiples of _____?
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4s or 5s
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What are the two parts of the stamen?
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anther and filament
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What are the 3 parts of the pistil?
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stigma, style, and ovary
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What kind of ventation do monocots have?
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parallel ventation
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What kind of ventation do dicots have?
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netted ventation
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Where are the microspores and pollen grains produced?
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in the anther
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Where does the pollen attach to?
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the stigma
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Where are the gametophytes and seeds produced?
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in the ovary
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