Chapter 49

Chapter 49 - Chapter 49 (Reproduction) Asexual Reproduction...

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Unformatted text preview: Chapter 49 (Reproduction) Asexual Reproduction Single Parent Genes of offspring identical to parents (except for mutations) Benefits Energy efficient Most successful in a stable enviornment Types of Asexual Reproductions Budding Part of parents body grows, detaches. Fragmentation Parents body breaks into pieces Each piece can develop into new animal Parthenogenesis Unfertilized egg develops into adult Sexual Reproduction Fusion of two types of gametes (egg and sperm) produces offspring A fertilized egg (zygote) Benefits Genetic variety Adaptive in unstable, changing enviornment. Fertilization External Fertilization Mating partners release eggs and sperm into water simultaneously Internal Fertilization Male delivers sperm into females body Hermaphroditism Single individual produces both eggs and sperm. Male Reproductive System Testes (produces sperm and testosterone) In the Scrotum Contain seminiferous tubules Where spermatogenesis (sperm production) takes place....
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This note was uploaded on 02/29/2012 for the course BIO 123 taught by Professor Druger during the Spring '08 term at Syracuse.

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Chapter 49 - Chapter 49 (Reproduction) Asexual Reproduction...

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