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alternation of generations

The Columbia Encyclopedia, Sixth Edition

alternation of generations see gametophyte ; reproduction .


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The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press

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Foreword: collective memory and the politics of reproduction in Africa.
; ...their daughters about the hazards of reproduction and threats to Bamileke integrity...often contradictory ways in which the reproduction of memories shapes the social and biological reproduction of people. It is surprising that no... Read more
Positive effects of pollination on subsequent size, reproduction, and survival of Primula veris.
; ...supply and other resources may limit reproduction simultaneously (Haig and Westoby 1988...seed set, it may affect subsequent reproduction, growth, and survival if there are...set then decreases future growth and reproduction (Agren 1988, Snow and Whigham 1989... Read more
Reproduction, self, and state. (Part III: States and Boundaries).
; Introduction REPRODUCTION is one of the most intimate spheres...privacy concerns in the field of reproduction, it is still frequently subject...number and scope of rules regulating reproduction has grown larger rather than smaller... Read more
Reduced cost of reproduction in moose Alces alces through human harvest.(Statistical Data Included)
; ...female moose (Alces alces), the cost of reproduction in terms of survival may be reduced...reduced trade-off between survival and reproduction. This hypothesis was tested during...analysis suggests that the cost of reproduction was reduced for middle-aged females... Read more
Effect of reproduction on the bioavailability of calcium, zinc and selenium
; Effect of Reproduction on the Bioavailability of Calcium...selenium homeostasis in women during reproduction. The physiological response, and...these three minerals differed during reproduction. Calcium absorption increased ~2-fo... Read more
Ethno-sectarianism and the reproduction of fear in Belfast.
; ...symbolic practice and the perpetuation and reproduction of religious segregation. This paper...enclosure. Segregation has thus aided the reproduction of inter-linked spatial devices, which...conflict. These devices include the reproduction of fear, the sociology of deviance... Read more
An experimental study of the costs of reproduction in the Kittiwake Rissa Tridactyla: comment.
; The cost of reproduction is a central concept in life history...1992, Stearns 1992). The cost of reproduction has been measured by a variety of...successfully used to demonstrate costs of reproduction in natural populations (Gustaffson... Read more
Fipa Families: Reproduction and Catholic Evangelization in Nkansi, Ufipa, 1880-1960
; Fipa Families: Reproduction and Catholic Evangelization in...interests in socialization and reproduction with those of Fipa society made...converted and became central to the reproduction of the church emphasized instead... Read more
Reproducing Reproduction: Kinship, Power, and Technological Innovation.(Review)
; ...children, have conspired to locate reproduction at the center of some of the more exciting...posed by artificial life, assisted reproduction and the new reproductive technologies...Rayna Rapp wrote in 1994, dragging reproduction to the center of social analysis is... Read more
Norplant and irresponsible reproduction.(Long-Acting Contraception: Moral Choices, Policy Dilemmas)
; ...certain women use Norplant to avoid reproduction that is considered socially irresponsible...to proposals to control undesirable reproduction have varied from enthusiastic approval...or even eliminate such irresponsible reproduction, particularly with an easily reversible... Read more

Related entries from encyclopedias, dictionaries, and thesauruses

Reproduction, Alternation of Generations and
Reproduction, Alternation of Generations and During sexual reproduction two gametes...of reproductive cycle is referred to as alternation of generations. In organisms with alternation of generations, the diploid generation, or sporophyte... Read more
alternation of generations
alternation of generations The alternate development of...sporophyte) phase. In an isomorphic alternation of generations (found in some algae, for example...identical; in a heteromorphic alternation of generations they are dissimilar (e.g. in... Read more
alternation of generations
...the gametophyte is dominant. Among animals, many invertebrates (e.g., protozoan s, jellyfish , flatworm s) have an alternation of sexual and asexual generations. alternation of generations alternation of generations alternation of generations Read more
Alternation of Generations
Alternation of Generations For sexually reproducing multicellular...number and a new organism. Alternation of generations refers to the occurrence in...a single egg or sperm cell. Alternation of generations is easiest to understand by... Read more
alternation of generations
alternation of generations An alternate development of...sporophyte ) phase. In an isomorphic alternation of generations (found in some algae, for example...identical; in a heteromorphic alternation of generations they are dissimilar (e.g. in... Read more

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