Evolution and animal life, an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animalsD. Appleton, 1908 - 489 páginas |
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Página vii
... descent , 10 . CHAPTER II . - VARIETY AND UNITY IN LIFE . Range of variety , 12 ; Meaning of species , 13 ; Number ... descent , 48 ; Darwinism not synonymous with de- scent , 49 ; Factors in descent , 49 ; Variation , 50 ; Selection ...
... descent , 10 . CHAPTER II . - VARIETY AND UNITY IN LIFE . Range of variety , 12 ; Meaning of species , 13 ; Number ... descent , 48 ; Darwinism not synonymous with de- scent , 49 ; Factors in descent , 49 ; Variation , 50 ; Selection ...
Página viii
... DESCENT CONTROL . AND Segregation of isolation , 108 ; Geographic and physiologic iso- lation , 109 ; Romanes's championship of physiologic isolation , 109 ; The Lamarckian theory of species - transformation , 111 ; Ortho- genetic ...
... DESCENT CONTROL . AND Segregation of isolation , 108 ; Geographic and physiologic iso- lation , 109 ; Romanes's championship of physiologic isolation , 109 ; The Lamarckian theory of species - transformation , 111 ; Ortho- genetic ...
Página x
... descent , 326 . CHAPTER XVI . - ADAPTATIONS . The principle of fitness and general adaptations , 327 ; Origin of adaptations , 327 ; Types and classification of species adapta- tions , 328 ; Adaptations for food - securing , 329 ...
... descent , 326 . CHAPTER XVI . - ADAPTATIONS . The principle of fitness and general adaptations , 327 ; Origin of adaptations , 327 ; Types and classification of species adapta- tions , 328 ; Adaptations for food - securing , 329 ...
Página 4
... descent . With the separation of individuals by barriers of land and water and varying climate , differing lines of descent are brought into existence . The fact of descent with modification large or small is a matter of common ...
... descent . With the separation of individuals by barriers of land and water and varying climate , differing lines of descent are brought into existence . The fact of descent with modification large or small is a matter of common ...
Página 10
... descent , the belief that organs and species as we know them are derived from other and often simpler forms by ... descent . The differences are due to various influences , one of the leading 10 EVOLUTION AND ANIMAL LIFE The immanence ...
... descent , the belief that organs and species as we know them are derived from other and often simpler forms by ... descent . The differences are due to various influences , one of the leading 10 EVOLUTION AND ANIMAL LIFE The immanence ...
Outras edições - Ver tudo
Evolution and Animal Life: An Elementary Discussion of Facts, Processes ... David Starr Jordan,Vernon Lyman Kellogg Visualização integral - 1907 |
Evolution and Animal Life: An Elementary Discussion of Facts, Processes ... David Starr Jordan,Vernon Lyman Kellogg Visualização integral - 1907 |
Evolution and animal life, an elementary discussion of facts, processes ... David Starr Jordan,Vernon Lyman Kellogg Visualização integral - 1907 |
Palavras e frases frequentes
actual adaptation adult animals animals and plants ants apes appear artificial selection bees beetles biologists birds body breeding butterfly called causes centrosome changes CHAPTER characters chromatin chromosomes color and pattern common crab Darwin degeneration degree descent differentiation division egg cell embryo environment existence fact factors fauna female fertilized fishes forms fossils genus germ cells habit hatched heredity honeybee host hybrid individuals influence inheritance insects instinct islands isolation kinds of animals known larva larvæ live lower male mammals matter ment modified mutations natural selection naturalists nest nucleus offspring organic evolution origin Origin of Species parasites parent phenomena plasm primitive produced protoplasm Protozoa race relation reproduction reptiles resemblance Sacculina sea anemone sexual sexual selection sheep species species-forming sperm spines stage structure substance tail theory tion traits tree variation various vertebrates Weismann wings workers young