plants, fungi, and the colonization of land. migration onto land continents subjected to flooding...
Post on 19-Dec-2015
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![Page 1: Plants, Fungi, and the Colonization of Land. Migration onto Land Continents subjected to flooding and receding of seas throughout geologic time. Natural](https://reader030.vdocuments.us/reader030/viewer/2022032800/56649d365503460f94a0ddcc/html5/thumbnails/1.jpg)
Plants, Fungi, and the Colonization of Land
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Migration onto Land
• Continents subjected to flooding and receding of seas throughout geologic time.
• Natural selection could have favored algae that could survive periods of being unsubmerged.
• Eventually, some species may have accumulated adaptations allowing permanent life out of water
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Land vs. Water Environment
• Differences– Support– Access to minerals– Photosynthesis– Reproduction
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Plant Structures
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Sporangia
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Plant Evolutionary History 1
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Plant Evolutionary History 2
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Alternation of Generations
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Mosses
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Ferns
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GymnospermsM
F
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Gymnosperm Life Cycle
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Angeosperms
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Flower Structure
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Angeosperm Life Cycle
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Wind Dispersal
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Attach to Animals
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Eaten By Animals
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Mutualism
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Fungi
• Developed closely alongside plants– Probably went on land with plants– Plants and other life rely on them
• Heterotrophic
• Structurally and reproductively different from all other organisms
• Primarily multicellular
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Typical Fungal Structure
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Bread Mold
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Fungal life cycle
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Lichens
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