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40 Cards in this Set
- Front
- Back
Volvox Colonial Chlorophyta |
Zygote Daughter |
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Volvox Colonial Chlorophyta |
Zygote Daughter |
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Ulothrix Siphonous Chlorophyta |
Gamete |
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Oedogonium Siphonous Chlorophyta |
Antheridia
Oogonium |
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Oedogonium Siphonous Chlorophyta |
Antheridia
Ooogonium |
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monoecious or dioecious? |
dioecious; male strand is much smaller (also nanadrous) |
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Spirogyra Siphonous Chlorophyta |
Conjugation canals are forming
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Spirogyra Siphonous Chlorophyta |
Male gametes squeeze through conjugation canals
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Spirogyra Siphonous Chlorophyta |
Zygotes (diploid) have formed
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Stigeoclonium Siphonous Chlorophyta |
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Ulva Tetrasporine Chlorophyta |
Exhibits alternation of generations
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Cladophora Tetrasporine Chlorophyta |
Because this is like Stigeoclonium, the two are an example of parallel evolution
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Bryophyta Liverwort Marchantia (thallus shown) |
Air pore
Photosynthetic chamber Scale Rhizoid |
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Bryophyta Liverwort Marchantia (thallus shown) |
Anteridia
Antheridiophore |
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Bryophyta Liverwort Marchantia Young antheridium |
Sperm
Stalk |
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Bryophyta Liverwort Marchantia Mature antheridium |
Jacket
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Bryophyta Liverwort Marchantia Archegoniophore |
Archegonium
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Bryophyta
Liverwort Marchantia Mature Archegonium |
Egg
Venter Canal cell Neck Cap cell |
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Bryophyta Liverwort Marchantia Fertilized archegonium |
Zygote
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Bryophyta Liverwort Marchantia Sporophyte (DIPLOID) at spore tetrad stage |
Foot
Capsule Seta Spore Tetrads |
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Bryophyta Liverwort Marchantia Mature Sporophyte |
Foot
Seta Capsule Spores and Elaters |
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Bryophyta
Liverwort Marchantia Gemma Cup (for asexual reproduction) |
Gemma
Thallus Scale Rhizoid |
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Lycophyta Lycopodium Lycopodium rhizome |
Xylem
Phloem |
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Lycophyta Lycopodium Lycopodium strobilus |
Sporophyll
Homospores Sporangium Lycopodium has Sporophyte as its dominant life cycle (2N); it is homosporous, spores contained within a sporangium |
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Lycophyta Selaginella Selaginella stem |
Phloem Xylem
Trabecula Air space |
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Lycophyta Selaginella Selaginella strobilus Selaginella is heterosporous |
Microsporangium
Microspores Microsporophyll Megaspore (lower left) Megasporophyll (2nd from bottom on right) Megasporangium |
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Sphenophyta Equisetum Equisetum strobilus Equisetum is homosporous |
Recurved sporangium
Sporangiophore Strobilus |
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Ferns Eusporangiate Botrychium Botrychium sporangium |
Multi-layered sporangial wall Thick stalk Many spores NOTE: These above are characteristics of ALL Eusporangiates |
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Ferns Leptosporangiate Leptosporangiate Sporangium |
Annulus
Slender Stalk |
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Ferns Leptosporangiate Cyrtomium |
Indusium
|
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Ferns Leptosporangiate |
Polypodium
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Ferns Leptosporangiate |
Gleichenia
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Ferns Leptosporangiate Male prothallus bearing antheridia |
Prothallus
Antheridium Cap cell Sperm cell |
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Ferns Leptosporangiate Female prothallus bearing an archegonium |
Prothallus
Egg Neck Neck Canal Cells |
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Gymnosperms Pinus Male cone (simple) |
Microspores
Microsporophyll Axis Microsporangium |
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Gymnosperms Pinus Female cone (compound) |
Ovule
Bract Axis |
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Gymnosperms Pinus Ovule showing archegonium |
Eggs
Prothallus Archegonium Neck Megasporangium Ovuliferous scale |
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Angiosperms (flowering plants) Ranunculus Ranunculus flower |
Ovaries have single ovule, stamen, petal
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Angiosperms Pisum Pisum flower |
Ovaries have many ovules, stamens, petals, sepals
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Angiosperms Lilium ovary |
Note ovules
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