ENVS 2210 Chapter Notes -Suboesophageal Ganglion, Midbrain, Photoreceptor Cell
17 Apr 2013
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Document Summary
Bees" innards: internal organs for an active bee. Similarities and diffs btwn central nervous system of bees and humans: insect brain shaped like malformed donut , gut runs through the hole. Nerves from brain to sensory parts of head. Segmental ganglia coordinate reflexes involved in fligh o rfight. Reproductive system is sketchy: repro organs for female bees similar to most animals : ovaries, oviducts, vagina, associated glands but queen honeybees have spermatheca where she keeps supply of sperm for several years of laying eggs. Mature fertile queen will produce over 1000 eggs a day. Ovaries so large she s unable to fly: drones repro organ is most bizarre in world, has standard: testes, vas, and associated glands but structure is unusual form. Penis is like alien empire, it literally explodes (audibly) when drone mates w/ a queen. When he is to become a pop he pops . Nervous system from stem to stern: form and function.
