The process is similar to that accompanied by differentiation ectoderm's or endoderm's: in that, and in another case, transferred products little or no developed and the transfer takes place directly from the mining unit to unit consuming, not engaged previously in any General current. Moving on to more significant individual and social organisms we have to move ahead from this device. In complex Hydrozoa, which is a combination of several of these original groups from which composed of Hydra, or Medusa that represents one of these groups who have attained of considerable size - there exist rude channels running through the substance that makes up the body, but they are not channels for explode cooked food, and are just simple continue the digestive cavity, through which undeveloped milky-watery the liquid reaches the more remote parts of the body and moves back and forward cuts of the animal. Not do we find some primitive communities that have reached a higher development, a similar condition? When the number of people, partly or completely United in one society, it becomes significant when, as commonly happens, these people cover the surface of the country, producing everywhere the same products when in especially, there are numerous non-industrial class, is inevitable set some process of exchange and distribution areas covered with vegetation, causing the possibility of the existence of man, prilagayutsya not quite certain of the way in which occasionally transported the objects life needs to exchange for others which, in turn back the same way. It should be noted, however, that in the beginning move thus almost only raw food - fruits, fish, cattle, skins, etc.; processed or prepared for consumption products almost not at all. And unprepared products are delivered only by chance, some slow, irregular rhythm.
1 comment:
The process is similar to that
accompanied by differentiation ectoderm's or endoderm's: in that, and
in another case, transferred products little or no developed and
the transfer takes place directly from the mining unit to unit
consuming, not engaged previously in any General current.
Moving on to more significant individual and social organisms
we have to move ahead from this device. In complex Hydrozoa,
which is a combination of several of these original groups from which
composed of Hydra, or Medusa that represents one of these groups who have attained
of considerable size - there exist rude channels running through
the substance that makes up the body, but they are not channels for
explode cooked food, and are just simple continue
the digestive cavity, through which undeveloped milky-watery
the liquid reaches the more remote parts of the body and moves back and
forward cuts of the animal. Not do we find some primitive
communities that have reached a higher development, a similar condition? When
the number of people, partly or completely United in one society, it becomes
significant when, as commonly happens, these people cover
the surface of the country, producing everywhere the same products when in
especially, there are numerous non-industrial class, is inevitable
set some process of exchange and distribution areas
covered with vegetation, causing the possibility of the existence of
man, prilagayutsya not quite certain of the way in which occasionally
transported the objects life needs to exchange for others which, in
turn back the same way. It should be noted, however, that in the beginning
move thus almost only raw food - fruits, fish,
cattle, skins, etc.; processed or prepared for consumption
products almost not at all. And unprepared products are delivered only
by chance, some slow, irregular rhythm.
Post a Comment