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Chp. 22.1 Review

Chp. 22.1 Review. Name the male and female reproductive structures. Which division is the smallest and it contains hornworts? What are the two types of liverworts? Which generation is dominant. How does water get into nonvascular plants?. Non-Seed Vascular Plants. Chp. 22.2.

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Chp. 22.1 Review

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  1. Chp. 22.1 Review • Name the male and female reproductive structures. • Which division is the smallest and it contains hornworts? • What are the two types of liverworts? • Which generation is dominant. • How does water get into nonvascular plants?

  2. Non-Seed Vascular Plants Chp. 22.2

  3. Non-seed vascular plant • Has vascular tissue • What is vascular tissue’s function? • Elongated cells that absorb water and transport water throughout the plant • They do not have seeds. To reproduce they release spores.

  4. Alternation of generations • There are two stages • Sporophyte • Gametophyte • The spore producing sporophyte stage is dominant.

  5. In some non-seed plants, spore bearing leaves form a cluster called a strobilus. • A fern gametophyte is called a prothallus. • The gametophyte stage is small and grows underground. It has the archegonium and the antheridium on it and it requires a constant film of water for fertilization.

  6. Lycophyta • Commonly called club mosses and spike mosses. • The sporophyte generation is dominant.

  7. Arthrophyta • Common name – horsetails • They contain silica which can be used as an abrasive. They were once used to clean cooking utensils.

  8. Pterophyta • Called ferns. • Fern structures • Rhizome – thick underground stem • Fronds – leaves of a fern • Sporangium – compartment where spores are held • Sorus – cluster of sporangium

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