Lecture 30/Gametogenesis

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III. Reproductive mechanisms (we will not go over this in lecture)
A. Asexual
1. Fission
2. Budding
3. Fragmentation and regeneration
4. Partial regeneration is not reproduction
5. Parthenogenesis
a. Alternate to sexual reproduction
b. Obligate

B. Sexual
1. Hermaphrodites
a. Simultaneous
b. Sequential
2. Male and Female
a. External fertilization
b. Internal fertilization
i. Amniote eggs
ii. Marsupials
iii. Uterine development

IV. Reproductive systems
A. Invertebrate
1. Polychaete annelids - no gonads
2. Insects - male and female gonads
3. Flatworms - hermaphrodite
B. Vertebrate

Review: Campbell 934-935, Self quiz 1, 3-6, 9 Challenge Q1-3

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1. In human males the levels of androgens, LH and FSH are maintained at fairly constant levels. In other species, the levels vary seasonally. What effect would that have?


		III. Reproductive mechanisms (we will not go over this in lecture) A. Asexual 1. Fission 2. Budding 3. Fragmentation and regeneration 4. Partial regeneration is not reproduction 5. Parthenogenesis a. Alternate to sexual reproduction b. Obligate B. Sexual 1. Hermaphrodites a. Simultaneous b. Sequential 2. Male and Female a. External fertilization b. Internal fertilization i. Amniote eggs ii. Marsupials iii. Uterine development IV. Reproductive systems A. Invertebrate 1. Polychaete annelids - no gonads 2. Insects - male and female gonads 3. Flatworms - hermaphrodite B. Vertebrate Review: Campbell 934-935, Self quiz 1, 3-6, 9 Challenge Q1-3
				46.1
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				46.3
				46.4
				46.7 46.6
		1. In human males the levels of androgens, LH and FSH are maintained at fairly constant levels. In other species, the levels vary seasonally. What effect would that have?