Biology 251: Lecture 11Fall 1996

Reproduction II

  1. Communication and courtship
    1. Objectives
    2. Types
      1. Tactile
      2. Visual
      3. Acoustic
      4. Chemical

  2. Sexual selection
    1. Female choice
      1. Why are females choosy?
      2. Bases of choice
      3. Sperm selection
    2. Male-male competition
      1. Why do males compete?
      2. Results of male-male competition

  3. Mating and parental behavior
    1. Males - assurance of paternity
      1. Nuptial gifts
      2. Sperm competition and sperm precedence
      3. Mate guarding
      4. Sperm plugs
      5. Anti-aphrodisiac pheromones
    2. Females (and males) - brood care
      1. Chemically protect eggs
      2. Nest partitioning
      3. Guarding of young


"Life is lived forwards, but understood backwards." C. S. Lewis