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8 Cards in this Set
- Front
- Back
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annulus
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row of cells with unevenly thickened walls on fern sporangia
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apical meristem
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embryonic tissue regions forming new cells at tips of shoots and roots
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antheridium
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gametangium which produces sperm
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archegonium
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gametangium that produces eggs
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calyptra
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haploid remnant of archegonium which forms loose, sometimes fringed, cover over moss sporophyte
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circinate vernation
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unrolling of fern fronds
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columella
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central sterile tissue in moss capsule
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crozier
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fern leaf that is not yet unrolled
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