chapter 46 animal reproduction jara bhuiyan & nafisa reya
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Chapter 46
Animal ReproductionJARA BHUIYAN & NAFISA REYA
Sexual and Asexual Reproduction
ASEXUAL REPRODUCTION
FissionBudding FragmentationParthenogenesis
SEXUAL REPRODUCTION
Why sex?
External and Internal fertilization
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.
Different patterns of reproduction
Ovulation
Hermaphroditism
Sex Reversal
Female Reproductive System
Male Reproductive Structures
Sperm and Egg DevelopmentSpermatogenesis
Hormonal Control of Male Reproduction
Reproduction Cycle of Human Female
Development of Embryo in the Uterus
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
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