To Know a Fly |
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Page 40
... fluid level climbed to the mark he had made the previous day . Then he merely read from the syringe how much fluid had been required to refill each tube . In each case this was the amount of the particular fluid consumed by twenty flies ...
... fluid level climbed to the mark he had made the previous day . Then he merely read from the syringe how much fluid had been required to refill each tube . In each case this was the amount of the particular fluid consumed by twenty flies ...
Page 61
... fluid achieves the same end . We have injected into thirsty flies blood , water , concentrated salt , mineral oil , and even lighter fluid . Each of these satisfies the fly's thirst ; that is , he no longer drinks water . The lighter ...
... fluid achieves the same end . We have injected into thirsty flies blood , water , concentrated salt , mineral oil , and even lighter fluid . Each of these satisfies the fly's thirst ; that is , he no longer drinks water . The lighter ...
Page 63
... fluids into our thirsty fly and satisfied his thirst , we showed beyond reasonable doubt that the fluid pressure ( not the osmotic pressure or salt con- centration ) in the body cavity was the means of preventing the fly from acting ...
... fluids into our thirsty fly and satisfied his thirst , we showed beyond reasonable doubt that the fluid pressure ( not the osmotic pressure or salt con- centration ) in the body cavity was the means of preventing the fly from acting ...
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able activity amount animal ants appearance become bees behavior Bill Clark biologist blood body brain called caterpillars caused cells Chapter continued course creature dance drink drop eggs eight eventually example experiment experimental eyes fact feathers feeding feet female flies fluid fly's follow glucose hair hand head honeybee human hunger hungry insects interest jump kind known laboratory learning least legs less light live look lower males matter means mechanism merely MICHIGAN minute move nature nerve never observation odor once operation organ performed person piece prefer present problem proboscis protein question reach reason record removed result salt scientific scientist seen sense sensitive serve side simple stops student sugar supply taste thing tion trail tube turn understanding usually walk wings