ENTM 2001 : Ent Exam 2 Notes
Document Summary
Ch 6- reception of stimuli and integration of. 10/27/2014 6:53:00 pm: sense organs= light chemical, temp, mechanical receptors, peripheral nerve cord= behind mouth, central nervous system = brain and ventral ganglionic chain to regulate body activity, stomatogastric nervous system. Mating and fighting is usually instinctive: crickets, carl von frisch- honeybees can see color and described through waggle dance in relation to food source and the sun. nobel prize in 73, conrad lorenz- nobel prize. Imprinting geese: niko tinbergen- wasps into hole, at rest has deficiency of na+ ions = resting potential as k+ enters. Drosophila use gated ion channels: sensory neurons send nerve impulses in response to physical or chemical stimuli. Male moths often have plumose antennae to smell for female sex pheromone. Soil is most persistent: nerves and ganglia= nerves (bundles of axons) ganglia (mass of nerve tissue, neuropile is central portion of ganglia. Central nervous system = brain, ventral nerve cord: brain, protocerebrum= largest and most complex.
