Phylum Tracheophyta (Ferns)

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Presentation transcript:

Phylum Tracheophyta (Ferns) pp. 455-461 “True” Land Plants

Simplest Vascular Plant Only group of vascular plants without seeds Have spores instead

Structure: Has true root as well as a rhizome (= underground stem) Has frond (leafy portion) composed of leaflets Has sporangia (container for spores) Grouped into sori Sori on underside of leaflet

Ecological Role: Primary producer Pioneer plant Ferns of the Pacific Northwest: Deer Fern Sword Fern Maidenhair Fern

Reproduction: Alternation of Generations Gametophyte = Prothallus Heart-shaped Short-lived Both sexes on same gametophyte Sexual reproduction needs water

2. Sporophyte = fern Dominant generation **generations are independent of each other