Lab 7: Seedless Plants

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24 Terms

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<p>Is this Archegonia <em>(female)</em> in moss or liverwort?</p>

Is this Archegonia (female) in moss or liverwort?

Moss

2
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<p>Is this Archegonia <em>(female)</em> in moss or liverwort?</p>

Is this Archegonia (female) in moss or liverwort?

Liverwort

<p>Liverwort</p>
3
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Is archegonia part of gametophyte or sporophyte

Part of gametophyte, the dominant generation in bryophytes.

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<p>Is this antheridia (male) moss or liverwort</p>

Is this antheridia (male) moss or liverwort

Moss 

<p>Moss&nbsp;</p>
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<p>Is this antheridia (male) moss or liverwort</p>

Is this antheridia (male) moss or liverwort

Liverwort

<p>Liverwort</p>
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Are capsules sporophyte or gametophyte

sporophyte

<p>sporophyte</p>
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whats the difference between Moss Gametophyte vs. Sporophyte 


Moss gametophyte: haploid, has antheridia and archegonia, supports sporophyte

Moss sporophyte: diploid, has foot seta capsule, produces spores with meiosis

<p>Moss gametophyte: haploid, has antheridia and archegonia, supports sporophyte</p><p>Moss sporophyte: diploid, has foot seta capsule, produces spores with meiosis</p>
8
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difference between Marchantia Gametophyte vs. Sporophyte

Marchantia Gametophyte: haploid, produces antheridiophores and archegoniophores

Marchantia Sporophyte: diploid consists of foot, seta, capsule capsule contains spores develops under archegoniophore lobes

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Strobili

cone-like structure made of sporophylls bearing sporangia

<p>cone-like structure made of sporophylls bearing sporangia</p>
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is strobili part of gametophyte or the sporophyte

It is part of sporophyte

11
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Whisk Fern

Leafless, rootless vascular plant, rhizoids and sporangia on the stem. It is sporophyte dominate and homosporous.

  • Rhizoid(root like anchoring filament with no vascular tissue)

  • Dichotomous Branching( stem splits into 2 branches)

  • Fused Sporangia (2 or more sporangia joined together)

  • True Stem (stem with vascular tissue)


<p>Leafless, rootless vascular plant, rhizoids and sporangia on the stem. It is sporophyte dominate and homosporous.</p><ul><li><p>Rhizoid(root like anchoring filament with no vascular tissue)</p></li><li><p>Dichotomous Branching( stem splits into 2 branches)</p></li><li><p>Fused Sporangia (2 or more sporangia joined together) </p></li><li><p>True Stem (stem with vascular tissue)</p></li></ul><p><br></p>
12
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Equisetum

  • Strobili (cone like clusters that produce spores)

  • Microphylls (small leaves with one unbranched vein)


IS SPORPHYTE DOMINAT does have gametophyte but small and lives on soil

<ul><li><p>Strobili (cone like clusters that produce spores)</p></li><li><p>Microphylls (small leaves with one unbranched vein)</p></li></ul><p><br>IS SPORPHYTE DOMINAT does have gametophyte but small and lives on soil</p>
13
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Ferns

Vascular plants with large leaves and spore reproduction.

  • Megaphylls (large leaves with branched veins)

  • Sporophylls (leaves that bear sporangia)

  • Sori (small dots on fern leaves)

  • Sporangia (produces spores)

  • Stomata (leaf pores)

<p>Vascular plants with large leaves and spore reproduction.</p><ul><li><p>Megaphylls (large leaves with branched veins)</p></li><li><p>Sporophylls (leaves that bear sporangia)</p></li><li><p>Sori (small dots on fern leaves)</p></li><li><p>Sporangia (produces spores)</p></li><li><p>Stomata (leaf pores)</p></li></ul><p></p>
14
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Gametophyte vs. Sporophyte in ferns

Gametophyte (fern): Tiny heart-shaped prothallus that makes gametes.

Sporophyte (fern): Big leafy plant that makes spores.

<p></p><p>Gametophyte (fern): Tiny heart-shaped prothallus that makes gametes.</p><p>Sporophyte (fern): Big leafy plant that makes spores.</p>
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16
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Moss

Bryophyte; small leafy plants; capsule on stalk; gametophyte dominant.

<p>Bryophyte; small leafy plants; capsule on stalk; <strong>gametophyte dominant</strong>.</p>
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Marchantia

Liverwort bryophyte; flat thallus; umbrella (♀) & disc (♂) structures; gametophyte dominant.

<p>Liverwort bryophyte; flat thallus; umbrella (<span data-name="female" data-type="emoji">♀</span>) &amp; disc (<span data-name="male" data-type="emoji">♂</span>) structures; <strong>gametophyte dominant</strong>.</p>
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Hornwort

Bryophyte; thallus with long horn-like sporophytes; gametophyte dominant

<p>Bryophyte; thallus with long horn-like sporophytes; <strong>gametophyte dominant</strong></p>
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Lycopodium

Lycophyte; microphyll leaves; strobili; sporophyte dominant.

<p>Lycophyte; microphyll leaves; strobili; <strong>sporophyte dominant</strong>.</p>
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Ferns c

Monilophytes; fronds with sori; heart-shaped gametophyte; sporophyte dominant.

<p>Monilophytes; fronds with sori; heart-shaped gametophyte; <strong>sporophyte dominant</strong>.</p>
21
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Psilotum (Whisk Fern)

Monilophyte; leafless/rootless; dichotomous stems; fused sporangia; sporophyte dominant.

<p>Monilophyte; leafless/rootless; dichotomous stems; fused sporangia; <strong>sporophyte dominant</strong>.</p>
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Equisetum Horsetail

Monilophyte; jointed silica stems; whorled leaves; strobilus at tip; sporophyte dominant.

<p>Monilophyte; jointed silica stems; whorled leaves; strobilus at tip; <strong>sporophyte dominant</strong>.</p>
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<p>Rhizopus </p>

Rhizopus

Zygomycota; common bread mold that makes zygosporangia (sexual) and sporangia (asexual)

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Fruticose

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