Animal Reproduction

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$Math 10 â Statistics - Saddleback College$

Biology 20 Laboratory <strong>Animal</strong> <strong>Reproduction</strong> Worksheet Name: Lab Day & Time: A. ASEXUAL REPRODUCTION 1. Draw and label asexual reproduction of a Hydra and a prokaryote (non-animal). 2. What types of organisms undergo asexual reproduction to increase their numbers? 3. What is the advantage of asexual reproduction? 4. What is the disadvantage of asexual reproduction? B. SEXUAL REPRODUCTION 5. Draw and label a sperm and an ovum. SPERM OVUM 6. What structure is utilized by the sperm for locomotion? 6
C. SEA URCHIN FERTILIZATION & DEVELOPMENT 7. Diagram the various stages of embryonic development in the sea urchin below: Zygote with fertilization membrane Two cell stage 4 cell stage 8 cell stage 16 cell stage (morula) Blastula Early gastrula Late gastula 8. What is the function of the fertilization membrane? 9. Are the cells in the blastomeres in the eight-cell stage the same as in the two-cell stage? Explain why or why not. 7
Page 1 and 2: Biology 20 Laboratory Animal Reprod
Page 3 and 4: C. SEA URCHIN FERTILIZATION & DEVEL
Page 5: D. MALE REPRODUCTIVE SYSTEM The mal
Page 9 and 10: 14. Table 14.1: Sperm pathway and a

Animal Reproduction

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