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1
Pamphlets on Biology: Kofoid collection
If protandry is regarded as the normal condition, because it is the most common,
protogyny may be thought of as delayed development of the staminate flowers, in
which case the time of exposure of the silks would better be used as the date of ...
2
The Flowering of Australia's Rainforests: A Plant and ...
PROTOGYNY AND PROTANDRY: THE COURTEOUS SEGREGATION OF
SEXUAL FUNCTION Dioecy is about separation in space. The seemingly arcane
terms 'protogyny' and 'protandry' are used to describe the temporal separation of
...
Geoff Williams, Paul Adam, 2010
3
An Evolutionary Basis for Pollination Ecology
S. C. Willemstein. entomogamous Angiospermae protogyny may be original.
Because of the arrangement of the microsporangiate and megasporangiate
reproductive structures and possible sterile appendages, the combination of
protandry, ...
A simpler explanation than either of these is that selection for dichogamy is more
likely to lead to protandry than protogyny, because protandry merely represents
the normal pattern of centripetal maturation within the flower. Protogyny, on the ...
5
Developing Drought and Low N-tolerant Maize: Proceedings of ...
Because this delay in silk emergence, rather than loss of pollen availability,
pollen viability, or silk receptivity generally limits kernel set, selection for
genotypes which exsert silks in advance of pollen shed (protogyny) should be
beneficial.
6
New Zealand Journal of Zoology
The size advantage model is not applicable to hermaphroditism sensu stricto as
defined here, but rather to protandry and protogyny. The size advantage
arguments are essentially concerned with the idea that particular gender roles
are most ...
7
The Flamingo's Smile: Reflections in Natural History
This correlation of complexity and mental power probably explains why, of all
groups with a large number of sequential hermaphrodites, only vertebrates have
evolved protogyny as a more common pattern than protandry. When we look at
the ...
Figure 13.3 A,B. Protandry in Encelia californica (Asteraceae). A. Style is
elongating through anther tube, pushing pollen outward. B. Style has finished
elongating, and style branches have unfolded. C. Protogyny in Suaeda (
Chenopodiaceae).
9
Some Mathematical Questions in Biology--sex Allocation and ...
The conditions favoring protogyny, or sequential hermaphroditism in which
individuals are initially female, are simply the reverse of those for protandry.
Protogyny requires that larger than average males sire more offspring than a
female of ...
10
Encyclopedia of Ecology and Environmental Management
This kind of explanation seems to fit the facts for a substantial number of marine
animals, such as the gastropod Crepz'dula. SeealsoAsexuAL REPRODUCTION;
POLLINA~ TIoN; PROTOGYNY. [M.T.G.] protective proteins A generic term for ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «PROTOGYNY»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
protogyny w wiadomościach.
Male, female, or both? When it comes to sex, fishes do it all!
A change from female to male is called protogyny (from the Greek “proto”=“first” and “gyno”=“female”), and a change from male to female is called protandry ... «Deep-Sea News, Paz 14»
Baby born with female, male sex organs
... an organism is born as a male, and then changes sex to a female; and Protogyny: Where the organism is born as a female, and then changes sex to a male. «Daily Sun, Lip 14»
The sheepshead fish has human teeth, but it's okay because it won't …
While other members of the Sparidae family are trying out various forms of hermaphroditism, including changing from female to male (protogyny), doing the ... «Scientific American, Mar 13»
繁衍后代保证生存令动物学会变性
有些物种天生是雄性，后来转化为雌性，称为雄性先熟（protandry），而雌性先熟（protogyny）指的就是由雌性转变为雄性。海葵鱼，或者说小丑鱼，就是最显著的邻接 ... «网易, Cze 11»
How to: archive and back up photos
... hypophyge ideality unattributed naloxones outray enteroid inured protogyny nonrecision individuals upbinds unmuffling subchronical sleekly oroheliograph ... «What Digital Camera, Wrz 10»
Growing Taste for Reef Fish Sends Their Numbers Sinking
... males to compensate for population imbalances, becoming “secondary males” in a process called protogyny. But groupers take five years to mature, and most ... «New York Times, Sty 09»
