BIOL 1503 Chapter : Biol 1503 13
Document Summary
Learning objectives: explain how the steps in human reproduction solve the problems associated with sexual reproduction, describe and explain the major processes involved during development in multi-cellular organisms, describe the major steps in plant development. Reproductive cycles: why not just reproduce all the time, energy, how is reproduction controlled, hormonal control. Hormonal regulation females (figure 46. 13: hypothalamus, gnrh (gonadotropin releasing hormone, anterior pituitary, fsh and lh (follicle stimulating hormone and luteinizing hormone, ovaries, fsh stimulates maturation of follicle (estrogen, lh stimulates development of corpus luteum (progesterone) Clicker question: if compound a positively impacts production of compound b and compound b positively impacts production of compound a. Development: begin with a single unspecialized cell, produce a mass of specialized and integrated cells, at all times the developing embryo must remain living, creates cellular diversity, maintains continuity of life. Plant development: angiosperms three step process, seed formation, seed germination, plant growth.