最終更新日:2022/12/23
例文
In
unpublished
work,
P.
E.
Cowan
finds
Rattus
rattus,
like
R.
norvegicus,
to
be
markedly
neophobic.
These
commensal
species
have
been
compared
with
two
Australian
congeners,
R.
fuscipes
and
R.
villosissimus,
both
largely
independent
of
man
and
neither
neophobic
in
the
laboratory
conditions
in
which
they
have
been
tested.
The
typical
new
object
reaction,
first
clearly
described
in
investigations
of
rats
as
pests,
is
perhaps
a
product
of
natural
selection
in
man-made
environments.
But
there
is
no
universal
rule:
the
commensal
house
mouse,
Mus
musculus,
displays,
instead
of
typical
neophobia,
a
capricious
and
unpredictable
kind
of
behavior
[…]
復習用の問題
In unpublished work, P. E. Cowan finds Rattus rattus, like R. norvegicus, to be markedly neophobic. These commensal species have been compared with two Australian congeners, R. fuscipes and R. villosissimus, both largely independent of man and neither neophobic in the laboratory conditions in which they have been tested. The typical new object reaction, first clearly described in investigations of rats as pests, is perhaps a product of natural selection in man-made environments. But there is no universal rule: the commensal house mouse, Mus musculus, displays, instead of typical neophobia, a capricious and unpredictable kind of behavior […]
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