 | 1860 - 966 páginas
...canine animals, in a time of dearth, may be truly said to struggle with each other which shall get food, and live ; but a plant on the edge of a desert...which annually produces a thousand seeds, of which, on an average, only one comes to maturity, may be more truly said to struggle with the plants of the... | |
 | 1861 - 824 páginas
...Two canine animals in a time of dearth maybe truly said to struggle with each other which shall get food and live. But a plant on the edge of a desert...which annually produces a thousand seeds, of which on an average only one comes to maturity, may be more truly said to struggle with the plants of the... | |
 | Charles Darwin - 1864 - 472 páginas
...Two canine animals in a time of dearth, may be truly said to struggle with each other which shall get food and live. But a plant on the edge of a desert...which annually produces a thousand seeds, of which on an average only one comes to maturity, may be more truly said to struggle with the plants of the... | |
 | Charles Darwin - 1866 - 668 páginas
...canine animals, in a time of dearth, may be truly said to struggle with each other which shall get food and live. But a plant on the edge of a desert is said to straggle for life against the drought, though more properly it should be said to be dependent on the... | |
 | Charles Darwin - 1896 - 406 páginas
...canine animals, in a time of dearth, may be truly said to struggle with each other which shall get food and live. But a plant on the edge of a desert...annually produces a thousand seeds, of which only one of an average comes to maturity, may be more truly said to struggle with the plants of the same and... | |
 | Charles Darwin - 1896 - 408 páginas
...canine animals, in a time of dearth, may be truly said to struggle with each other which shall get food and live. But a plant on the edge of a desert...annually produces a thousand seeds, of which only one of an average comes to maturity, may be more truly said to struggle with the plants of the same and... | |
 | 1898 - 908 páginas
...Two canine animals, in time of dearth, may be truly said to struggle with each other which shall get food and live. But a plant on the edge of a desert is said to struggle for life against the drouth, though more properly it should be said to be dependent on the moisture. A plant which annually... | |
 | David Starr Jordan - 1898 - 454 páginas
...canine animals, in a time of dearth, may be truly said to struggle with each other which shall get food and live. But a plant on the edge of a desert is said to struggle for life against the drouth, though more properly it should be said to be dependent upon the moisture. A plant which annually... | |
 | David Starr Jordan - 1898 - 448 páginas
...to struggle for life against the drouth, though more properly it should be said to be dependent upon the moisture. A plant which annually produces a thousand seeds, of which only one on an average conies to maturity, may be more truly said to struggle with the plants of the same and other kinds... | |
 | Thomas George Gentry - 1900 - 532 páginas
...a time of scarcity of food, may be truly said to struggle with each other for maintenance of life. But a plant on the edge of a desert is said to struggle for life against the drought, though, properly speaking, it is dependent for its existence upon the moisture. A plant, however, that annually... | |
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But a plant on the edge of a desert is said to struggle for life against the drought, though more properly it should be said to be dependent on the moisture. 
