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Unformatted text preview: myopic (near-sighted) - image focused in front of fovea hyperopic (far-sighted) - image focused behind fovea color blindness- sex-linked trait o due to lack of certain type of cones o trichromats - people w/ normal color vision binocular vision- ability to see 3D images and sense depth o due to 2 eyes viewing object from different angles o less binocular vision >> larger overall field of view other sensory experiences- other parts of electromagnetic spectrum used to sense environment heat- wavelengths longer than visible light o poor environmental stimulus in water o pit viper - only vertebrate known to sense infrared radiation electricity- good environmental stimulus in water o all aquatic animals general electrical currents from muscle movt magnetism- eels, sharks, bees, birds navigate according to earths magnetic lines o used in migration...
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- Fall '10