BACKGROUND FOR MAN |
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Σελίδα 20
... major events take place instantaneously, by some process essentially unlike those involved in lesser or more gradual evolutionary change, or whether all of evolution, including these major changes, is explained by the same principles ...
... major events take place instantaneously, by some process essentially unlike those involved in lesser or more gradual evolutionary change, or whether all of evolution, including these major changes, is explained by the same principles ...
Σελίδα 23
... major as well as minor changes in evolution have occurred gradually and that the same forces are at work in each case. Nevertheless there is a difference and many of the major changes cannot be considered as simply caused by longer ...
... major as well as minor changes in evolution have occurred gradually and that the same forces are at work in each case. Nevertheless there is a difference and many of the major changes cannot be considered as simply caused by longer ...
Σελίδα 45
... major groups of advanced bony fishes which played an important role in later vertebrate evolution — the Actinopterygia (or ray-fmned fishes), the Dipnoi (or lungfishes ) , and the Crossopterygii, of little account beyond Paleozoic days ...
... major groups of advanced bony fishes which played an important role in later vertebrate evolution — the Actinopterygia (or ray-fmned fishes), the Dipnoi (or lungfishes ) , and the Crossopterygii, of little account beyond Paleozoic days ...
Περιεχόμενα
GEORGE GAYLORD SIMPSON | 7 |
ERNST MAYR | 26 |
ALFRED SHERWOOD ROMER | 37 |
Πνευματικά δικαιώματα | |
19 άλλες ενότητες δεν εμφανίζονται
Συχνά εμφανιζόμενοι όροι και φράσεις
adaptation adult albumin allele frequencies anatomy ancestors animals appear areas Australopithecus Australopithecus africanus baboons biology bones brachiating brain Caucasoids chimpanzee complex concerned cultural DeVore dominance early environment evidence evolutionary evolved example existence females field studies Figure forms functions gelada genes genetic genotypes genus Homo gorilla habitats hamadryas hamadryas baboons heterosis hominid Homo erectus Homo habilis human evolution hunting important individual involved isolation knuckle-walking lineage living loci major males mammals Middle Pleistocene million miscegenation modern monkeys and apes morphological mutations nature negroes nonhuman primates observed Olduvai one-male groups original Paranthropus patterns physical pongids population possible Primate Behavior primates probably problem prosimians races racial range relationships relatively represent result rhesus sample sapiens selection similar single skull social behavior social group social organization species specimens Sterkfontein stimulation structure suggests Swartkrans taxa taxon taxonomic tool-using traits variability variation vertebrate