与 «DIPHYLETIC»相关的英语书籍
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According to the diphyletic hypothesis, the two types were domesticated
independently of each other and there should be wild rices differentiated into the
two types or at least destined to become the Indica and Japonica types when ...
Gurdev S. Khush, Gary H. Toenniessen, 1991
2
Animal Behavior Desk Reference: A Dictionary of Animal ...
2group: diphyletic group, holophyletic group, paraphyletic group, polyphyletic
group [Greek phyletikos < phyletēs, tribesman < phylē] diphyletic adj. Referring to
a group that is derived from two distinct ancestral lineages; referring to a group ...
Some authors have suggested that the arthropods are monophyletic, that is, have
a common ancestor; others have proposed that the group is diphyletic (two major
subgroups evolved from a common ancestor), and yet others believe that each ...
4
Advances in Rice Genetics
Diphyletic. origin. of. cultivated. rice. based. on. genetic. analysis. and.
archaeology. We formulated a hypothesis on the origin of cultivated rice based
on the results of DNA analysis of excavated rice grains and recent available
archaeological ...
Gurdev S. Khush, Darshan S. Brar, Bill Hardy, 2003
5
Encyclopedia of Marine Mammals
There has been considerable debate as to whether pinnipeds were diphyletic or
monophyletic in origin. The diphyletic view suggests that odobenids and otariids
are related to the bears (Ursidae), and that phocids were more closely linked to ...
William F. Perrin, Bernd Wursig, J. G.M. Thewissen, 2009
6
Marine Mammal Biology: An Evolutionary Approach
One, citing primarily biogeographical and morphological evidence, supports a
diphyletic origin, attributing the sea lions, fur seals and walruses to an ursid (bear
-like) ancestor and the true seals to a mustelid (weasels, skunks, otters and
ferrets) ...
7
Assembling the Tree of Life
The diphyletic theory relied upon functional morphology arguments, based on the
idea that the synapomorphies defining arthropods, such as the presence of a
chitinous exoskeleton with jointed appendages and the presence of compound ...
Joel Cracraft Curator of Ornithology American Museum of Natural History, the Herbarium Michael J. Donoghue Curator, Peabody Museum of Natural History Yale University, 2004
8
Modern Text Book of Zoology: Vertebrates
[III] Diphyletic origin of birds The earliest known fossil birds include both flying (
Archaeopteryx, Ichthyomis) as well as flightless (Hespemmis, Diatryma) types.
The recently extinct Moas and Elephant birds were also flightless. The most
primitive ...
9
Issues in Biological, Biochemical, and Evolutionary Sciences ...
Nanjing Institute of Geology and Palaeontology: Ventral Structure And Ontogeny
Of The Late Furongian (cambrian) Trilobite Guangxiaspis Guangxiensis Zhou,
1977 And The Diphyletic Origin Of The Median Suture “Articulated meraspid and
...
10
Origins of the Higher Groups of Tetrapods: Controversy and ...
Jarvik (1942) proposed a different diphyletic arrangement in which urodeles were
derived from porolepiform crossopterygians, and anurans and all other tetrapods
from osteolepiform crossopterygians. The description of exceptionally well ...
Hans-Peter Schultze, Linda Trueb, 1991
