与 «PENTADACTYL»相关的英语书籍
在以下的参考文献中发现
pentadactyl的用法。与
pentadactyl相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Practical Advanced Biology
vertebrate. pentadactyl. limb: an. exercise. in. homology. Homologous structures
are features of different organisms believed by biologists to share a common
ancestor, even though they may differ in function. So, for example, the spines of
cacti ...
Tim King, Michael Reiss, 2001
2
Biology: A Functional Approach. Students' Manual
... similar to one another and are believed to share a common ancestry. An
example of homology is provided by the pentadactyl limb of vertebrates. Animals
possessing the pentadactyl limb include amphibians, reptiles, birds, and
mammals.
M. B. V. Roberts, T. J. King, 1987
Questions J Picture 2 The basic plan of the pentadactyl limb. The parts are
coloured the same as in picture l. • The human arm is more like the basic plan of
the pentadactyl limb than the bird wing is. Suggest a reason for this. From egg
and ...
Michael Roberts, Neil Ingram, 2001
A clear example of homology is provided by the pentadactyl limb, so called
because typically it has five digits (figure 42.9). It is found in all four classes of
terrestrial vertebrates (amphibians, reptiles, birds and mammals) and some of the
limb ...
Michael Roberts, Michael Jonathan Reiss, Grace Monger, 2000
5
Evolutionary Psychology as Maladapted Psychology
It might also explain quantitative characters, such as digit length. It can even
explain why, when the functional demands change, as they did with the horse, or
the bird, there was a loss of digits. Williams does not claim the pentadactyl
structure ...
For example, limbs of mammals such as whales, bats, lions and humans have a
similar structure (the pentadactyl limb) but different functions. The limbs are
modified adaptations to different environments and suggest that these animals
are ...
Diane Alford, Jennifer Hill, 2003
Although the limbs illustrated in Figure 5 are all different and are used in different
ways, they are all built on the same basic plan. This is illustrated in Figure 6; it is
known as the pentadactyl limb - the word pentadactyl comes from Greek and ...
M.B.V. Roberts, June Mitchelmore, 2000
8
Evolutionary Biology 8/e
Throughout the land — forms the structure of pentadactyl limb is fundamentally
the same, conforming to a greater or lesser extent to the generalized pattern. But
in the course of evolution the limbs of different vertebrates have become adapted
...
Dr. Tomar & Dr. Singh, Singh
9
The Century Dictionary and Cyclopedia
[NL., neut. or masc. pi. of pentadactylus: see pentadactyl.] A superclass division
of gnathostomous vertebrates supposed to have been derived from
pentadactylous ancestors. See phrases below. Most of the existing species have
lost one or ...
10
Eight Little Piggies: Reflections in Natural History
Yet we unite them by skeletal characters common to all tetrapods, features that
set our modern concept of an archetype. Above all, the archetypal tetrapod has
four limbs, each with five digits — the so-called pentadactyl (or "five-fingered")
limb.
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找出国内和国际出版社所讨论的内容，以及词语
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Will Firefox changes win back users and developers?
I can't see them in the current Firefox anymore :( How about complex extensions like Vimperator[2] and Pentadactyl[3] , alternative browsers ... «ITworld, 七月 15»
The bony secrets behind marvels of animal world
And structures such as the pentadactyl limb still follow an ancient body plan that ensures that no living vertebrate has more than five digits. «BBC News, 二月 14»
The incredible human hand and foot
Our arms and legs are pentadactyl limbs - they have five digits. When the fist four-legged animals began to move onto the land from the sea ... «BBC News, 二月 14»
The Fabric of Nature: Michael Denton's New BIO-Complexity Paper …
He gives the examples of the pentadactyl limb pattern in vertebrates, and ... pattern approached and finally resulted in the pentadactyl pattern. «Discovery Institute, 八月 13»
Phenacodontidae, I feel like I know you
They were reasonably long-bodied, long-tailed mammals with pentadactyl hoofed hands and feet; their proportions and body size are ... «Scientific American, 八月 13»
Welcome to the Squamozoic!
... other large amphisbaenians have seemingly re-evolved giant, pentadactyl clawed forelimbs for use in locomotion and prey dismemberment. «Scientific American, 四月 13»
Firefox 19 for Mac Now Available for Download
Add on the customizability, the number of great plugins out there like Adblock Plus, Pentadactyl, NoScript, made by an awesome company that ... «Mac Rumors, 二月 13»
The anatomy of sloths
Among megatheriids, primitive species of Eremotherium were pentadactyl (albeit it with a short thumb and a fifth digit with only one phalanx) ... «Scientific American, 八月 12»
Vimium review
Vim fans using Firefox can opt for either Vimperator or Pentadactyl. These two Firefox add-ons transform the Firefox interface, stripping away ... «PC Advisor, 八月 12»
Fossil discoveries fill crucial gap in land animal evolution
'These fossils are already revealing that the pentadactyl limb, which features five fingers or five toes, evolved a good 20 million years earlier ... «Planet Earth, 三月 12»
