Question
Mon Feb 6
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The following passage is taken from a translation of Philosophie Zoologique
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(1803) by Jean-Baptiste Lamarck.
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How many different races of chickens and domestic pigeons we have acquired
by raising them in different circumstances and different countries! How futile it is
now to seek to find such animals in nature! Those which are the least changed
(undoubtedly because their domestication is more recent and because they do
A
not live in a climate foreign to them) in some of their parts display differences no
B
less significant through the habits which we have made them acquire. Thus our
C
domestic ducks and geese find their type again in wild ducks and geese, but
ours have lost the ability to rise up into the high regions of the sky and to fly
D
across large territories. Finally a real change has occurred in their parts in
comparison with the parts of the animals of the race from which they originated.
The passage suggests that the many new varieties of chickens and pigeons
(A) do not exist in the wild.
(B) were trained to fly further than wild types.
(C) exist in their original habitats.
(D) are the result of interbreeding.