Plants, Fungi, and the Colonization of Land. Migration onto Land Continents subjected to flooding and receding of seas throughout geologic time. Natural.

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Presentation transcript:

Plants, Fungi, and the Colonization of Land

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

Land vs. Water Environment Differences –Support –Access to minerals –Photosynthesis –Reproduction

Plant Structures

Sporangia

Plant Evolutionary History 1

Plant Evolutionary History 2

Alternation of Generations

Mosses

Ferns

Gymnosperms M F

Gymnosperm Life Cycle

Angeosperms

Flower Structure

Angeosperm Life Cycle

Wind Dispersal

Attach to Animals

Eaten By Animals

Mutualism

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

Typical Fungal Structure

Bread Mold

Fungal life cycle

Lichens

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