The History of Biological Theories |
Contents
Some Earlier Views Concerning the Origin of Animal Forms | 1 |
The Influence of Geology | 8 |
PALAEONTOLOGY 20819 | 19 |
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accepted according analogy anatomical ancestors asserted attempt Baer beauty believed biologists biology birds body butterflies called cause cell theory cells characteristic characters Coelenterata coelom colour criticism crustacea Cuvier Darwin Darwin's theory Darwinian Darwinian theory Darwinists definite discussed Driesch embryo embryology endeavour environment Erasmus Darwin evolution evolutionary evolved example explain facts favour flowers forms fundamental gastraea theory gastrula genealogical tree German Haeckel hence heredity human Huxley ideas importance individual influence inherited insects investigators Lamarck larvae laws living organisms logical merely Metazoa method mimicry modern monera monkeys morphology Nägeli natural selection Nauplius Origin of Species palaeontology phenomena philosophy phylogeny physiological plants and animals problem progress protoplasm Protozoa race regarded represent resemble result Roux scientific scientists sexual similar soul Spencer structure struggle for existence suggested teaching thought tion to-day truth variation vertebrates Virchow Wallace Weismann whole words