Extraordinary Eyes: How Animals See the WorldDescribes how vision works and compares and contrasts the eyes of such animals as the honeybee, fish, frog, and bird. |
From inside the book
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... eyes of most creatures on earth can be divided into two kinds : the single- and lens eye such as our own , and the compound eye . The single - lens eye is found Compound in animals that need to see well at a distance . It is the kind of eye ...
... eyes of most creatures on earth can be divided into two kinds : the single- and lens eye such as our own , and the compound eye . The single - lens eye is found Compound in animals that need to see well at a distance . It is the kind of eye ...
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... eye does at a distance . Our heads Compound would have to be enormous for such eyes , and our skeletons could not lift Eye such a heavy weight . All insects have compound eyes , although some have single - lens eyes as well . Compound ...
... eye does at a distance . Our heads Compound would have to be enormous for such eyes , and our skeletons could not lift Eye such a heavy weight . All insects have compound eyes , although some have single - lens eyes as well . Compound ...
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... compound eye there is no cornea , the clear , outer protective layer that single- lens eyes have , and the lenslets are located on the surface of the eye . Advantages The compound eye cannot change focus for near and far vision ...
... compound eye there is no cornea , the clear , outer protective layer that single- lens eyes have , and the lenslets are located on the surface of the eye . Advantages The compound eye cannot change focus for near and far vision ...
Common terms and phrases
ability amount of light amphibians ANIMALS ANIMALS best in dim Bioluminescent light birds blind bony fish bounce bright light change focus clusters of eyes color vision compound eye cone photoreceptors crabs creature on earth crustaceans dark daylight dim light dinosaurs entering the eye eyelids feet fixed-focus lenses Flashlight fish flying insect frog green hawk horizon for predators horizontal pupil human eye IMAGE CONCEPTS infrared invertebrates Jack Drafahl Jack Drafahl-IMAGE CONCEPTS Joan Giannechini lenslets light entering living lobster mammals monkeys nictitating membrane night nocturnal animals object oil droplet filters paws PENN STATE HARRISBURG photons pigeons Pit vipers prey primate brain primitive creatures receptors Red filters reptiles retina Rhabdoms rod and cone rod photoreceptors Sandra Sinclair single-lens eye snakes stabilamenta stenopeic pupil tapeta tarsier thermographic camera thinking eye tiny turtle ultraviolet Underwater vertebrate vision scientists visual centers visual memory wavelengths wavelengths of light yellow Zig Leszczynski-ANIMALS ANIMALS