BIOL-4777EL Lecture Notes - Lecture 10: Fox Terrier, Ostariophysi, Honey Bee
15 Feb 2018
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Document Summary
# of olfactory cells in nose - canis lupis: human 5 million, fox terrier 147 million, german sheppard - 220 million. 1 million times better than humans: hunting, blood hunt, rubber boots, butyric acid. Pheromones: intraspeci c communication, metabolites - urine, feces, sebaceous glands - mating, sudoriferous glands - oily, waxy. Ants - 12 different glands - pheromones: honey bee, mandibular gland - mouth, queen produced pheromone called queen substance (mandibular gland) Keeps worker as sterile female, effects their physiology, anatomy, behaviour: ovipositor becomes stinger. If queen dies, some workers develop into queens: nassonoff gland - tip of abdomen. Attracts workers to an area: when sting, deposit pheromone that attracts other workers to attack. Orally active pheromones: queen substance - large molecular weight. Sexual behaviour: rats can id gender, reproductive condition, oestrous cycle, dordosis, female stands still ready to mate, male urine, courtship behaviour by male triggered by female attractant pheromone.
