Adaptive Coloration in Animals |
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Page 38
Now the compensating effect of light and shade on dark and light surfaces is
upset ; the optical illusion is destroyed ; and in death she becomes as
conspicuous as in life she was difficult to see . II . COUNTERSHADING
PRODUCED BY ...
Now the compensating effect of light and shade on dark and light surfaces is
upset ; the optical illusion is destroyed ; and in death she becomes as
conspicuous as in life she was difficult to see . II . COUNTERSHADING
PRODUCED BY ...
Page 40
little countershading ; but this deficiency is compensated for by the black spots ,
which are closer together on the back , and become more widely separated
towards the under surfaces — a scheme based upon the arrangement seen in
Fig .
little countershading ; but this deficiency is compensated for by the black spots ,
which are closer together on the back , and become more widely separated
towards the under surfaces — a scheme based upon the arrangement seen in
Fig .
Page 224
Then follows a rapid and complete paling of the rest of the animal , while the
black spots themselves become still more saturated and intense . Thus for a
moment ' , writes Holmes , ' the two black spots stand out most vividly on the
background ...
Then follows a rapid and complete paling of the rest of the animal , while the
black spots themselves become still more saturated and intense . Thus for a
moment ' , writes Holmes , ' the two black spots stand out most vividly on the
background ...
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Common terms and phrases
active adaptive animals aposematic appearance associated attack attention attitude background bearing become bees belonging birds body brown butterflies caterpillars certain closely colour combined concealment considered conspicuous contrast cryptic dark deceptive depends described device directed display disruptive effect eggs enemies environment evidence example exhibited experiments exposed fact feeding field fishes frequently frogs function further green ground habits hand head highly illustrated important individuals insects instance instinct interesting kind known later leaf leaves less light living lizards markings means method mimicry moths movements nature nest objects observed occur particular pattern perfect position predators present prey principle produced protective referred relation relatively remarkable resemblance rest result says seen shade side significant similar snakes species spider striking structure surface surroundings toads tone various warning widely wings yellow young