Science 2.2 What Are Spore Reproducing Plants?”

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rhizoids

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rhizoids

rootlike structures of a non-vascular plant that anchors it to a surface + enables the plant to absorb water + nutrients

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rhizomes

an underground, horizontal stem of ferns + other plants that contain vascular tissue for transporting water + nutrients

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spore reproducing plants

  • grouped into 6 of the 12 divisions of Kingdom Plantae

Bryophyta, Hepaticophyta, Anthocerophyta, Pteridophyta, Lycophyta, Equisetophyta

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bryophyta

  • made up of mosses w/ thin leaves that have one layer of cells to conduct photosynthesis

  • found growing on soft + thick variety of surfaces (ex: forestfloors, tree trunks

  • non - vascular (lack xylem + phloem)

  • leaf life structures on stem

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Liverwort

a moss that used to be mixed w/ division Bryophyta but later ended up in division Hepaticophyta due to advanced technology

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hornwort

a moss that used to be mixed w/ division Bryophyta but later ended up in division Anthocerophyta due to advanced technology

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leaf structures and rhizoids

things that helped identify what division spore producing plants belong in

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pteridophyta

  • made up of ferns

  • vascular plant

  • found on land, water, + other plants

  • grow 2 cm - 25 m tall

  • have true roots that are branched, thin, + irregular in their appearance

  • roots grow laterally from rhizomes -the largest division of vascular plants that reproduce w/ spores

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frond

  • leaf of a fern that sprouts anywhere along rhizome

  • it can emerge from the soil as tight-coiled fiddleheads that gradually unfurl (its curled shape to protect as it grows)

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lycophyta

a division of spore producing vascular plants

ex: club mosses + spike mosses

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Equisetophyta

a division of spore producing vascular plants

ex: horsetail

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horsetail

  • equisetophyta division

  • can grow 30 cm - 10 m

  • have underground rhizomes

  • ancient Romans used it to make tea + food

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