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slide 1 seed formation in gymnosperms & angiosperms slide 2 fig. 30-2a gametophyte sporophyte (2n) gametophyte (n) sporophyte example dominant reduced, dependent on gametophyte…
gymnosperms ânaked seedsâ general characteristics vascular alternation of generations dominant sporophyte reduced, dependent gametophyte produce uncovered seeds 4 phyla…
gametophyte-sporophyte relationships in different plant groups. the significance of seedless vascular plants the ancestors of living lycophytes, horsetails, and ferns, along…
muzeul olteniei craiova. oltenia. studii şi comunicări. Ştiinţele naturii. tom. 29, no. 1/2013 issn 1454-6914 120 comparative studies between ferns gametophyte and…
nerve activates contractionfigure 30.2 from ovule to seed charophyceans figure 30.6 phylum cycadophyta: cycads figure 30.7c phylum gnetophyta: ephedra figure 30.8b phylum
nerve activates contractionfigure 30.2 from ovule to seed charophyceans figure 30.6 phylum cycadophyta: cycads figure 30.7c phylum gnetophyta: ephedra figure 30.8b phylum
science multiple choice questions compilation by d n manjunath gpucollege narasimharajapura for messages only 9900769891 d n m 9900769891 1 “a current carrying conductor…
microsoft word - ijpdb-16-2008proof.docreceived: 6 august, 2008. accepted: 7 august, 2009. invited review international journal of plant developmental biology ©2010
1 morphology of the sporophyte and gametophyte of the swamp fern blechnum serrulatum (blechnaceae, pteridophyta) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22…
reproduction of seed plants alternation of generation all plants life cycle alternates diploid sporophyte haploid gametophyte sporophyte = entire plant gametophyte…
ptee aula 13 roteiro ● multicelularidade ciclos de vida multicelularidade ● definições ● tipos e exemplos – mitótica – agregativa ● origens evolutivas multicelularidade…
^ psilotales previously assigned own phylum psilotophyta synonym p psilotophyta ^ common names l psilophytes whisk ferns psilotum whisk broom ^ diversity earth ~12 species…
ch. 38 flowering plant reproduction i.           alternation of generations a. dominant sporophyte b. gametophyte lives on sporophyte,…
1 introduction gymnosperms and angiosperms are vascular, sporophyte-dominant plants that produce seeds. although these heterosporous plants still reproduce by spores, seeds…
plant reproduction and development the life cycle of plants alternates between sporophyte and gametophyte generations idealized flower floral organs: structure and function…
1 2 gametophytesporophyte relationships 3 phylum coniferophyta4 *pollen grain= male gametophyte 4 cells 1 tube cell 1 generative cell- 2 sperm nuclei 2 prothallial cells…
slide 1lab 6 gymnosperms slide 2 seed bearing plants – but “naked seeds” often borne on cones do not produce flowers - angiosperms gymnosperms -reduced male gametophyte…
seed plants gymnosperms & angiosperms what is a seed?? a seed contains an embryonic sporophyte it has a protective coat and enough nutrients to support the sporophyte…
bees love flowers and help spread plant pollen what is pollen? pollen is the male gametophyte of seed plants. both gymnosperms (cone-bearing plants) and angiosperms (flowering
chapter 38. angiosperm reproduction chapter 38 2005-2006 1 recall: alternation of generations in angiosperms: sporophyte is dominant reduced gametophyte, dependent on sporophyte…