Page 221 - The Evolution Impasse 2

Transition from Water to Land Dilemma, The 219

crea tures can im me di ate ly fil ter and the ox y gen dis solved in wa ter
ex pel their bod ies' waste pro ducts, through their gills. Out of the wa ter,
par tic u lar ly am mo nia. On land, how e ver, they are un a ble to sur vive
how e ver, wa ter must be used at for more than a few mi nutes. In or -
min i mum lev els. For that rea son der to live on dry land, they need to
these liv ing things have kid neys, ac quire a pul mo nary sys tem.
thanks to which am mo nia is fil tered It is of course im pos si ble for all
out as urea and stored in the blad - these phys i o log i cal chan ges to take
der, and the min i mum amount of place by chance and all at the same
wa ter is used when it is ex pelled. In time.
ad di tion, there is a need for new sys - According to the ev o lu tion ist sce -
tems that en a ble the kid neys to func - nar io, fish first evolved in to am phib -
tion. In or der for a tran si tion from i ans. Yet there is no ev i dence for that
wa ter to land, crea tures with out kid - sce nar io: Not a sin gle fos sil has been
neys will need to de vel op them im - found to show that half-fish, half-
me di ate ly. am phib i an crea tures ev er ex ist ed.
5) Respiratory sys tem: Fish breathe Robert L. Carroll, the well-known

The "tran si tion from wa ter to land" sce nar io por trayed
in many im ag i na tive il lus tra tions like the one above, is
based on Lamarckist log ic and con flicts even with the
the o ry of ev o lu tion's own hy poth e ses.

FALSE