Species

202 Species In the forefront of his denitions, Lotsy has the Mendelian genetics then being rst investigated in detail. He thin ...

The Species Problem Arises 203 c) Coenospecies: A population-complex the constituents of which group them- selves in nature in s ...

204 Species Another contributor also regards Turesson’s approach as a populational one.^73 In any event, it is clear that Turess ...

The Species Problem Arises 205 as a good test of species, and also the proposal to give up the notion of species. Although there ...

206 Species Bibliography Allen, Garland E. 1980. The evolutionary synthesis: Morgan and natural selection revisited. In The Evol ...

The Species Problem Arises 207 Jordan, Karl. 1896. On mechanical selection and other problems. Novitates Zoologicae 3:426 –525. ...

208 Species —. 1927. Contributions to the genecology of glacial relics. Hereditas 9 (1–3):81–101. —. 1929. Zur natur und begrenz ...

209 7 The Synthesis and Species First, then, we have the problem involved in the origin of species. As a pre- liminary to that, ...

210 Species ... we have some reason to suppose that they [allelomorphic loci, or alleles in modern parlance—JSW] form a very sma ...

The Synthesis and Species 211 can be postulated.” A species subject to different conditions at the extremes of its range will ad ...

212 Species He proposes instead to base specific rank on the existence of reproductive isolating mechanisms, and provides a revi ...

The Synthesis and Species 213 are sometimes called elementary species, but they are not united into integrated groups that are k ...

214 Species After Dobzhansky, the Beginnings of the Modern Debate At the time of the modern synthesis, announced in Julian Huxle ...

The Synthesis and Species 215 In the book announcing the synthesis, Huxley later criticized Dobzhansky for underplaying the diff ...

216 Species The new geneticists tended, then, toward an eliminativist view on species, in what they perceived was the tradition ...

The Synthesis and Species 217 have worn well. But for our purposes, the most important aspect of the book is that here Mayr popu ...

218 Species Darwin thought of individuals when he talked of competition, struggle for existence among variants, and survival of ...

The Synthesis and Species 219 to the parental species), self fertilization, parthenogenesis, and so on, but says this is “appare ...

220 Species Species are groups of interbreeding natural populations that are reproductively iso- lated from other such groups.^6 ...

The Synthesis and Species 221 systematists in Britain. One can take issue with the claim for Leibniz (as a Great Chain thinker, ...