To Know a Fly |
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Page 89
... trail stopped . Naturally they started walking around the base of this obstacle and in so doing encountered the trail going up the opposite side . Adapting to the new condition , they had soon laid a new trail around the base of the jar ...
... trail stopped . Naturally they started walking around the base of this obstacle and in so doing encountered the trail going up the opposite side . Adapting to the new condition , they had soon laid a new trail around the base of the jar ...
Page 91
... trails . As far as we know , the fly does not deposit a trail ; nevertheless , he is able to follow an artificial trail . One day in the laboratory I astounded my students by show- ing them a fly so well educated that he could write my ...
... trails . As far as we know , the fly does not deposit a trail ; nevertheless , he is able to follow an artificial trail . One day in the laboratory I astounded my students by show- ing them a fly so well educated that he could write my ...
Page 92
... trail . After wandering a bit , his feet encountered the sugar deposited on the paper . The rest is history . How does a fly follow a trail ? Close observation reveals that he tends to walk in more or less straight lines until something ...
... trail . After wandering a bit , his feet encountered the sugar deposited on the paper . The rest is history . How does a fly follow a trail ? Close observation reveals that he tends to walk in more or less straight lines until something ...
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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