The Living Thoughts of DarwinLongmans, Green and Company, 1939 - Всего страниц: 151 |
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Стр. 6
... biologists as to the precise method by which evolution oper- at ac fo th th ab th te Of 00 h W a ת S t ates , they assert that biologists do not believe in 6 DARWIN.
... biologists as to the precise method by which evolution oper- at ac fo th th ab th te Of 00 h W a ת S t ates , they assert that biologists do not believe in 6 DARWIN.
Стр. 7
Charles Darwin, Julian Huxley James Fisher. ates , they assert that biologists do not believe in evo- lution as a ... biologist today pre- tends to understand the whole formidable mechan- ism by which this development is effected : but no ...
Charles Darwin, Julian Huxley James Fisher. ates , they assert that biologists do not believe in evo- lution as a ... biologist today pre- tends to understand the whole formidable mechan- ism by which this development is effected : but no ...
Стр. 35
... biologists even before Darwin's day styled the Natural System - that is to say , a scheme in which organisms are arranged according to the resem- blances and differences in all parts of their organ- ization , internal as well as ...
... biologists even before Darwin's day styled the Natural System - that is to say , a scheme in which organisms are arranged according to the resem- blances and differences in all parts of their organ- ization , internal as well as ...
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adapted allied animals and plants ants appears beak become modified believe biological biologists birds breeds cause CHARLES ROBERT DARWIN closely colour continent Darwin degree descent developed display distinct species domestic doubt early effect eggs embryos Erasmus Darwin evolution evolutionary extinct fact feathers females formation forms fossils genera genes genus geological groups habits haploid Hence horse important individuals inhabitants inherited insects instance instincts intermediate kinds labellum large numbers larvæ later legs living lower animals males mammals manner marsupials ments modification mutation natural selection naturalists nest neuters occur ocelli offspring organisation Origin Origin of Species period pollinia possess principle produced progenitor pupa quadrupeds relation remarkable resemblance rock-pigeon sanguinea seeds seen sexes sexual characters sexual selection slave-making slaves slight striped structure struggle for existence T. H. Huxley tail theory tion types variability variation varieties various Welsh ponies whilst whole wing worms