 | Charles Darwin - 1861 - 470 Seiten
...supported in a district. A large number of eggs is of some importance to those species, which depend on a rapidly fluctuating amount of food, for it allows...animal can in any way protect its own eggs or young, a smail number may be produced, and yet the average stock be fully kept up ; but if many eggs or young... | |
 | Charles Darwin - 1864 - 472 Seiten
...importance to those species, which depend on a rapidly fluctuating amount of food, for it allows thi-m rapidly to increase in number. But the real importance...much destruction at some period of life ; and this perio<| in the great majority of cases is an early one. If aii animal can in any way protect its own... | |
 | Eduard Berens - 1868 - 428 Seiten
...namentlich Anm. I andrerseits. **) „On the origin of species etc. 4 Edit. Lond. 1866 p. 75. 76 heisst es: „the real importance of a large number of eggs or seeds is to make np for much destruclion at eome period of life; and this period in the great majority of cases is an... | |
 | Eduard Berens - 1868 - 420 Seiten
...namentlich Anm. I andrerseits. **) „On the origin of species etc. 4 Edit. Lond. 1866 p. 75. 76 heisst es : „the real importance of a large number of eggs or seeds is to maUe np for much destruclion at some period of life; and this period in the great majority of cases... | |
 | Charles Darwin - 1873 - 492 Seiten
...supported in a district. A large number of eggs is of some importance to those species which depend on a fluctuating amount of food, for it allows them rapidly...importance of a large number of eggs or seeds is to Safe up for much destruction at some period of life; and this"period in the great majority of cases... | |
 | Alexander Hay Japp - 1899 - 336 Seiten
...the case of eggs of the cuckoo committed to the care of others or laid carelessly on open spaces : " The real importance of a large number of eggs or seeds...the great majority of cases, is an early one. . . If many eggs or young are destroyed, many must be produced, or the species will become extinct." * Clearly,... | |
 | Thomas George Gentry - 1900 - 532 Seiten
...species which depend upon a rapidly-fluctuating quantity of food, for it permits them to increase rapidly in number ; but the real importance of a large number of eggs or seeds is to make up for the great destruction that goes on at some period of life, and this period in the vast majority of... | |
 | THOMAS G GENTRY - 1900 - 566 Seiten
...species which depend upon a rapidly-fluctuating quantity of food, for it permits them to increase rapidly in number ; but the real importance of a large number of eggs or seeds is to make up for the great destruction that goes on at some period of life, and this period in the vast majority of... | |
 | Charles Darwin - 1909 - 544 Seiten
...supported in a district. A large number of eggs is of some importance to those species which depend on a fluctuating amount of food, for it allows them rapidly...importance of a large number of eggs or seeds is to make up fer much destruction at some period of life; and this period in the great majority of cases is an early... | |
 | Frank Rattray Lillie, Carl Richard Moore, Alfred Clarence Redfield - 1913 - 554 Seiten
...are reminded of Darwin's1 statement that the "... geometrical tendency to increase must be checked by destruction at some period of life . . . and this...period in the great majority of cases is an early one. . . . But if many eggs or young are destroyed, many must be produced or the species will become extinct."... | |
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A large number of eggs is of some importance to those species, which depend on a rapidly fluctuating amount of food, for it allows them rapidly to increase in number. But the real importance of a large number of eggs or seeds is to make up for much destruction... 
