TY - JOUR
AU - Baker, H. G.
AB - H. G. BAKER Department of Botany, University of Leeds, England Received July 31, 1951 INTRODUCTION (see also Turrill, 1938a, b; 1946). "Bio­ systematics" (or "Experimental Taxon­ Ever since Darwin wrote "The Origin omy") , compounded from Turesson's of Species," it has been customary for originally ecological system and Danser's many biologists to talk of evolution and "fertility-sterility" system, represents such speciation almost as if the two terms were a special classification and its value is in completely interchangeable and, as a re­ the analysis of problems of the genetics of suit of this implication, to consider the wild populations. Whether or not it is species as a unit of evolution. Thoday well named is beside the present point. (195 ~ ) has sounded a very necessary Because of its simple ecological and ge­ warmng that this usage is incompatible netical basis, biosystematics is restricted with the use of the same term to repre­ in its range of categories, the comparium sent a classificatory unit. Depending upon representing the uppermost limit. For the breeding system, the unit of evolution just this reason, its applicability to evo­ may be less than the species, equal to it lutionary problems is confined to 
TI - THE ECOSPECIES—PRELUDE TO DISCUSSION
JO - Evolution
DO - 10.1111/j.1558-5646.1952.tb02811.x
DA - 1952-03-01
UR - https://www.deepdyve.com/lp/oxford-university-press/the-ecospecies-prelude-to-discussion-ef4YY40MCn
SP - 61
EP - 68
VL - 6
IS - 1
DP - DeepDyve
ER -