与 «ALTERNATION OF GENERATIONS»相关的英语书籍
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alternation of generations的用法。与
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The two generations are variously organized, consistent with their mode of
nutrition and function. The alternation of generations in the life cycle was
elucidated by Hofmeister (1851) and the associated reduction and duplication in
chromosome ...
As both sporophytic and gametophytic plants are dissimilar in morphology and
come alternately, such a life-cycle represents heteromorphic alternation of
generations. The plant body is diploid in Fucales. In this order the haploid stage
is ...
3
AP Biology, 2nd Ed. (Book Only)
The sexual life cycle of plants is characterized by an alternation of generations in
which monoploid (n) and diploid (2«) generations alternate with each other. The
gametophyte (n) produces gametes by mitosis. These gametes fuse during ...
Deborah T. Goldberg, M.S.
Alternation of generations in animals? Do animals show alternation of
generations? At first sight the answer might appear to be yes. After all, butterflies
and a number of other insects appear to show an alternation in their life cycles
between the ...
Michael Roberts, Michael Jonathan Reiss, Grace Monger, 2000
5
Cryptogams: Cyanobacteria, Algae, Fungi, Lichens : Textbook ...
In this type the alternation of nuclear phase is associated with an alternation of
generations. A diploid sporophyte arises after the karyogamy of the gametes
produced by the haploid gameto- phyte. The sporophyte then gives rise to further
...
6
Laboratory Manual for Non-Majors Biology
EXERCISE 2 1 Bryophytes—Liverworts and Mosses After completing this
exercise, you will be able to 1. define alternation of generations, isomorphic,
heteromorphic, dioecious, antheridium, archegonium, hygroscopic, protonema;
diagram the ...
James Perry, David Morton, Joy B. Perry, 2012
The alternation of generations in the Foraminifera may be obligatory in some
species, and facultative in others. In the obligatory alternation of generations,
reproduction in the agamont always includes meiosis as a precedent to multiple
fission.
8
Biology: A Functional Approach
ALTERNATION OF GENERATIONS IN ANIMALS? Do animals show alternation
of generations? At first sight the answer might appear to be yes. After all, don't
butterflies and moths show an alternation in their life cycle between the imago
and ...
9
A Text-Book
of Botany: Morphological and Physiological
Here it is necessary only to remark that alternation of generations occurs even in
Phanerogams; the Cycadeae and Coniferae are in this respect nearly related to
Lycopodiaceae, and through them we are also able to trace a repetition of the ...
Julius Sachs, Alfred W. Bennett, W. T. Thiselton Dyer, 2011
10
On the
Alternation of Generations; Or the Propagation and ...
This is a reproduction of a book published before 1923.
J Japetus Sm Steenstrup, George 1807 Busk, C H Lorenzen, 2011
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70 years after WWII: My view / For kabuki actor, daily life entwined …
The early '70s was a period of a continued “alternation of generations” in every field. New stars came on the scene, like pro golfer Masashi ... «The Japan News, 七月 15»
The Armenian Genocide, as Power Ballad
The Armenian team played coy: The song “is about love, unity and peace: the family as a symbol of humanity, alternation of generations, the ... «Foreign Policy, 五月 15»
There is more to ferns than interesting fronds
Ferns have a complicated life cycle that involves alternation of generations. The fern's life cycle consists of two stages: the sporophyte and the ... «Bonners Ferry Herald, 五月 15»
Dangerous species of jellyfish could return to Jersey Shore
“They go through what's called an alternation of generations. They have a polyp stage that's attached to a hard substrate, such as the underside ... «New Jersey 101.5 FM Radio, 四月 15»
Calcium And Reproduction Go Together In Flowering Plants
In ferns, there is alternation of generations between the big plant that we see, the spermatophyte, and a tiny green prothallus that is usually ... «Science 2.0, 八月 14»
INTERVIEW: Sean Lien says he is his own man
Using the campaign slogan “alternation of generations” gave him a great advantage over his rivals in the KMT primaries, but outside of the ... «Taipei Times, 七月 14»
In Darkened Forests, Ferns Stole Gene From an Unlikely Source …
All plants maintain this dual life cycle, called "the alternation of generations". But only in ferns and one other plant group called lycopods are the ... «Scientific American, 五月 14»
“Water-Borne Zombies“ - Jellyfish warning us to behave better
They practise the 'alternation of generations'. Typically, what we think of as the jellyfish, the medusa, reproduces sexually, spawning sperm and ... «Fabius Maximus, 三月 14»
Don't Worry About Oak Galls
Some gallmaker wasps show an interesting alternation of generations. The larvae in leaves hatch out in one growing season to form adults that ... «Penn State Master Gardeners, 十月 13»
Jumping oak gall causing damage to white oak
Many gall makers have complicated lifecycles with a phenomenon known as heterogamy or alternation of generations. The offspring of these ... «Michigan State University Extension, 七月 13»
