week 3 lab - f. yes g. donot lose all of its leaves...

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Giannina Morales lab 29 February 15 2010 Question1. a. gametophyte b. sporophyte Question 2. a.1 large vein b. xylem and phloem c. stalk is support the blade and pinnae is photosynthesis question 3. a. breaking point for opening sporangium b.yes question 4. a.yes b. Moisture causes changes in cell shape to release spores. question 5. a. haploid b. gametophyte question6. a. protection from desiccation b.discourages inbreeding question 7 smaller, aquatic question 8. a. dichotomous b. no c. no d. at end of short lateral branches e. stem question 9. a. in rings along stem b. stem c. sporophyte question 10.
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asporangia of Lycopodium and Selaginella are on microphylls b. moves spores question 11. a. produces new growth, resulting in a new individual brhizome is underground stem; rhizoid is small, rootlike structure c. yes d.thin, elongate, arranged in spirals eintercept light for photosynthesis
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Unformatted text preview: f. yes g. donot lose all of its leaves seasonally h. No, unrelated plants are evergreen. Question 12. a. one b. yes c. powdery; certain species produce some oil d.sporophyte quetsion 13. a. no b. heterosporous c. water preserve and survival during drought d. yes Question for further thought and study 1. Bryophytes are non-vascular their dominant stage is the haploid gametophyte. They reproduce without seeds.Ferns reproduce without seeds, but they have a vascular system and their dominant stage is the diploid sporophyte 2. n 3. These are bryophytes, they do not have vascular tissue. Because they don't have vascular tissue, they are small so all their cells can be near water.in bryophytes, the gametophyte is the dominant generation, rather than the sporophyte that is the dominant generation in ferns....
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This note was uploaded on 10/11/2010 for the course CHEM 100 taught by Professor Ll during the Spring '10 term at Penn College.

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week 3 lab - f. yes g. donot lose all of its leaves...

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