BIOL 211 – CELLULAR AND ORGANISMAL
BIOLOGY
Lecture Outline for
Topic: animal reproduction
Chapter 9 sections 9.1, 9.2, 9.4
Figures used in lecture: 9.2, 9.13, 9.15, 9.17
Additional Resources:
Asexual Reproduction – discusses plants, animals, and advantages of asexual reproduction
Sexual Reproduction
Define/explain: life cycles, alternation of generations
You should be able to;
1. Explain the advantages of sexual reproduction vs asexual reproduction.
2. Explain the advantages of asexual reproduction.
3. Explain the purpose of sexual reproduction.
Animal Reproduction
Define/ explain: parthenogenesis, budding, fission, gametogenesis, oogenesis, spermatogenesis, external fertilization, internal fertilization, oviparous, vivparous
You should be able to:
1. Describe asexual forms of reproduction seen in animals including, budding, fission, and parthenogenesis.
2. Compare and contrast the processes of oogenesis and spermatogenesis.
3. Compare external and internal methods of fertilization
4. Compare oviparity and viviparity
Today’s Lecture (
Reproduction
Reproduction :
Sex :
Asexual reproduction :
Sexual reproduction :
Asexual Reproduction
Advantages:
Disadvantages:
Means of asexual reproduction:
1. Budding
2. Regeneration
3. Parthenogenesis:
Sexual Reproduction
Advantages:
Disadvantages:
Types of Animal Life Cycles
Diploid life cycles:
Haploid life cycles:
Alternation of generations:
Sexual Reproduction
Sexual reproduction consists of:
gametogenesis:
mating:
fertilization:
Gametogenesis
spermatogenesis:
oogenesis:
dioecious:
monoecious:
Hermaphroditic
simultaneous hermaphrodites
sequential hermaphrodites
Fertilization
1. External
2. Internal
Oviparous
Viviparous