Feb 25 Seedless Vascular Plants Review

Feb 25 Seedless Vascular Plants Review - sporophytes . 6....

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Biol 1401 Seedless Vascular Plants Review (Cont.) Feb 25 th , 2011 Ch.21 1. Label the fern: frond, stipe, pinnae, rachis, root. 2. What is a sorus?- A cluster of sporangia, the term is frequently found when applied to clusters of fern sporangia. Where can you find them on the fern leaves?- 3. How do the spores of ferns get dispersed from the sporangia? Through meiosis in the sporangia The sporangium is the diploid structure, which produces the diploid spores. 4. Lycopods have mircrophyll leaves
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5. The cones on top of the sporophyte of lycopods and horsetails are actually the
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Unformatted text preview: sporophytes . 6. There is silica in the cell wall of the epidermis of horsetails, which increase the hardness of the cell and make horsetail a good tool in cleaning the dirty pots and pans outdoor. 7. During the coal age, which group of plants is dominant in the lowlands and swamps? The horsetail and club mosses 8. The low oxygen level in the swamps of the coal age is the important factor that allowed the dead seedless vascular plants to remain long enough to become coal. Why? Because they were not readily attacked by decay bacteria...
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This note was uploaded on 03/23/2011 for the course BIOL 1401 taught by Professor Holaday during the Spring '08 term at Texas Tech.

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Feb 25 Seedless Vascular Plants Review - sporophytes . 6....

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