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Seedless Plants

Seedless Plants. Mosses and Liverworts Ferns, Horsetails, and Club Mosses. Mosses and Liverworts. Small Live on bark, rocks, and soil No vascular system Must live in places that are wet No true roots, stems, or leaves. Mosses. Liverworts. Mosses and Liverworts.

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Seedless Plants

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  1. Seedless Plants Mosses and Liverworts Ferns, Horsetails, and Club Mosses

  2. Mosses and Liverworts • Small • Live on bark, rocks, and soil • No vascular system • Must live in places that are wet • No true roots, stems, or leaves

  3. Mosses

  4. Liverworts

  5. Mosses and Liverworts • Live together in large groups • Covering soil or rocks in a mat of tiny green plants • Each moss has rhizoids (root-like structures) • Rhizoids help anchor the plant

  6. Importance of Mosses and Liverworts: • Usually the first plants to inhabit a new environment. • Form a thin layer of soil when they die. • They help hold the soil in place which prevents erosion. • Nesting material for birds. • Peat moss can be burned as fuel.

  7. Ferns, Horsetails, and Club Mosses: • Grow tall • Have vascular systems

  8. Ferns

  9. Ferns • Can grow almost anywhere. • Have an underground stem called a rhizome. • Leaves are called fronds.

  10. Horsetails

  11. Horsetails • Small vascular plants. • Grow less than 1.3 meters tall. • Grow in wet, marshy places. • Stems are hollow and contain cilia. • Pioneers used them to scrub pots and pans.

  12. Club Mosses • 25 cm tall. • Grow in woodlands. • Unlike other mosses, they have vascular tissue.

  13. Importance of Seedless Vascular Plants • Help form soil when they die. • Also hold soil in place to prevent erosion. • Ferns serve as house plants. • Some are cooked and eaten. • Formed coal.

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