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Chapter 46 Animal Reproduction Jara Bhuiyan & Nafisa Reya. Sexual and Asexual Reproduction. Sexual Reproduction. Asexual Reproduction. Fission Budding Fragmentation Parthenogenesis. Why sex?. External and Internal fertilization. Different patterns of reproduction. Ovulation.
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Sexual and Asexual Reproduction Sexual Reproduction Asexual Reproduction Fission Budding Fragmentation Parthenogenesis Why sex?
External and Internal fertilization Different patterns of reproduction Ovulation Sex Reversal Fertilization in some large water bugs is internal, fewer offspring produced, and greater protection shown. Many amphibians produce by external fertilization, which produce a lot of offspring. Hermaphroditism
Sperm and Egg Development Spermatogenesis
Sources • http://en.wikipedia.org/wiki/File:Mating_earthworms.jpg • http://www.saburchill.com/ans02/chapters/chap051.html • http://www.tulane.edu/~wiser/protozoology/notes/intes.html • http://www.sciencephoto.com/images/download_lo_res.html?id=806480222 • http://bound4life.com/blog/2010/03/31/fetal-pain-nebraska-law • http://bio1151.nicerweb.com/Locked/media/ch46/androgens.html • http://iceteazegeg.wordpress.com/2009/02/25/gametogenesis/spermatogenesis/ • http://www.ldysinger.com/ThM_599d_Beg/02_Biology/02_spermat-oogen.htm • http://www.health-res.com/male-and-female-reproductive-systems/ • http://faculty.uca.edu/johnc/animal_structure_and_function.htm • http://chrishedstrom.blogspot.com/2007/05/giant-water-bug.html • http://www.nicerweb.com/bio1152/lesson16.html