Science, Том 72John Michels (Journalist) American Association for the Advancement of Science, 1883 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 182
... sporophyte of the first archegoniates must have been derived from a structure not very different from that found in Coleochaete . A study of the development of the sporophyte of the bryophytes shows the general trend of evolution ...
... sporophyte of the first archegoniates must have been derived from a structure not very different from that found in Coleochaete . A study of the development of the sporophyte of the bryophytes shows the general trend of evolution ...
Стр. 183
... sporophyte may show a long - continued growth , and in exceptional cases may attain practical inde- pendence . In the genus Anthoceros the sporophyte is a slender cylindrical body which may reach a length of ten centimeters or ...
... sporophyte may show a long - continued growth , and in exceptional cases may attain practical inde- pendence . In the genus Anthoceros the sporophyte is a slender cylindrical body which may reach a length of ten centimeters or ...
Стр. 184
... sporophyte - the neutral generation . This , being the product of the fertilized egg - cell , is equivalent to the zygote or resting - spore of the ancestral green algae from which it is assumed that the mosses and ferns are descended ...
... sporophyte - the neutral generation . This , being the product of the fertilized egg - cell , is equivalent to the zygote or resting - spore of the ancestral green algae from which it is assumed that the mosses and ferns are descended ...
Содержание
B Mosquito Vectors of Experimental Yellow | 1 |
Polar Exploration I BowMAN 439 | 13 |
Sudan III Behavior of E H MACARTHUR | 14 |
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