 ... inhabitants of the water has followed a roundabout path from the surface to the bottom and then back into the water. When this fact is seen in all its bearings and its full significance is grasped, it is certainly one of the most notable and instructive...  Animals: A Text-book of Zoology - Стр. 20авторы: David Starr Jordan, Vernon Lyman Kellogg, Harold Heath - 1905Полный просмотр - Подробнее о книге
 | Johns Hopkins University. Biological Laboratory - 1893 - Страниц: 370
...plants, and of a few simple protozoa which feed upon them. This supply is inexhaustible, and it is the only source of food for all the inhabitants of the ocean, except a few which live upon floating sargassum and the littoral algae, and the drainage from the land.... | |
 | 1893 - Страниц: 666
...plants, and of a few simple protozoa which .feed upon them. This supply is inexhaustable and it is the only source of food for all the inhabitants of the ocean, except a few which live upon floating sargassum and the littoral alga>, and the drainage from the land.... | |
 | 1895 - Страниц: 522
...grasped, it is certainly one of the most notable and instructive features of evolution. The food-supply of marine animals consists of a few species of microscopic...gradually taken shape in direct dependence upon it. In view of these facts, we cannot but be profoundly impressed by the thought that all the highly organised... | |
 | Vernon Lyman Kellogg - 1902 - Страниц: 546
...animals which in turn prey on these simplest organisms. A wellknown zoologist has said: "The food-supply of marine animals consists of a few species of microscopic...ocean has gradually taken shape in direct dependence on it. " The marine Protozoa are the only animals which live independently; they alone can live or... | |
 | Vernon Lyman Kellogg - 1911 - Страниц: 542
...source of food for all zoan (Foraminifera) with calcareous h inhabitants of shell. (After Schultz.) the ocean. The supply is primeval as well as inexhaustible,...ocean has gradually taken shape in direct dependence on it." The marine Protozoa are the only animals which live independently; they alone can live or could... | |
 | Vernon Lyman Kellogg - 1911 - Страниц: 542
...animals which in turn prey on these simplest organisms. A wellknown zoologist has said: "The food-supply of marine animals consists of a few species of microscopic organisms which are inexhaustible and the only FIG. 48. Rosalind varians, a marine Proto- source of food for all si3," With CalCare°US ^e inhabitants... | |
 | Vernon Lyman Kellogg - 1911 - Страниц: 526
...animals which in turn prey on these simplest organisms. A wellknown zoologist has said: "The food-supply of marine animals consists of a few species of microscopic organisms which are inexhaustible and the only FIG. 48. Rosalina varians, a marine Proto- source of food for all zoan (Foraminifera) with calcareous... | |
 | Smithsonian Institution. Board of Regents - 1896 - Страниц: 968
...significance is grasped, it is certainly one of the most notable and instructive features of evolution. The food supply of marine animals consists of a few...gradually taken shape in direct dependence upon it. In view of these facts we can not but be profoundly impressed by the thought that all the highly organized... | |
 | 1894 - Страниц: 928
...grasped, it is certainly one of the most notable and instructive features of evolution. The food-supply of marine animals consists of a few species of microscopic...gradually taken shape in direct dependence upon it. In view of these facts we cannot but be profoundly impressed by the thought that all the highly organized... | |
 | 1894 - Страниц: 904
...grasped, it is certainly one of the most notable and instructive features of evolution. The food-supply of marine animals consists of a few species of microscopic organisms which arc inexhaustible and the only source of food for all the inhabitants of the ocean. The supply is primeval... | |
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