Seedless and Seed bearing

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Presentation transcript:

Seedless and Seed bearing Vascular Plants Seedless and Seed bearing

Vascular Plants Conducting tissue Xylem and phloem Transport water and dissolved substances Larger and more variety of habitats compared to nonvascular plants

Seedless Vascular Plants Fern allies Phylum Psilophyta Phylum Lycophyta Phylum Sphenophyta Phylum Pteridophyta

Phylum Psilophyta Whisk ferns Not ferns, no roots or leaves Produce spores on ends of short branches Some are epiphytes grow on other plants not parasitic

Phylum Lycophyta Club mosses (resemble minature pine trees) Produce strobilus or cone Cluster of sporangia – bearing modified leaves

Phylum Sphenophyta Horsetails (Equisetum) Jointed hollow photosynthetic stem and jointed leaves Contains silica Grow from rhizome Form “cones” on tips made of spores Scouring rushes

Phylum Pteridophyta Diverse group of ferns Most have an underground stem call a rhizome

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