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

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Presentation on theme: "Seedless Plants Mosses and Liverworts Mosses and Liverworts Ferns, Horsetails, and Club Mosses Ferns, Horsetails, and Club Mosses."— Presentation transcript:

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2 Seedless Plants Mosses and Liverworts Mosses and Liverworts Ferns, Horsetails, and Club Mosses Ferns, Horsetails, and Club Mosses

3 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

4 Mosses

5 Liverworts

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

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

8 Ferns, Horsetails, and Club Mosses: Grow tall Grow tall Have vascular systems Have vascular systems

9 Ferns

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

11 Horsetails

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

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

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


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