Leo Valenzuela the creator and illustrator of his book, Ballad of Leo's Art, dwells into the fantasy of Leo's mind through black and white illustrations of mystical creatures and terrain.
Book of Jupiter: Gone to Uranus is a work of imagination and fantasy by Leo Valenzuela. Explore a variety of unique creatures with interesting dialogue which included a few step tutorials on how to draw his style of work.
Book of Jupiter: Gone to Uranus is a work of imagination and fantasy by Leo Valenzuela. Explore a variety of unique creatures with interesting dialogue which included a few step tutorials on how to draw his style of work.
Book of Jupiter: Gone to Uranus is a work of imagination and fantasy by Leo Valenzuela. Explore a variety of unique creatures with interesting dialogue which included a few step tutorials on how to draw his style of work.
Sexual reproduction is a fundamental aspect of life. It is defined by the occurrence of meiosis and the fusion of two gametes of different sexes or mating types. Sex-determination mechanisms are responsible for the sexual fate and development of sexual characteristics in an organism, be it a unicellular alga, a plant, or an animal. In many cases, sex determination is genetic: males and females have different alleles or different genes that specify their sexual morphology. In animals, this is often accompanied by chromosomal differences. In other cases, sex may be determined by environmental (e.g. temperature) or social variables (e.g. the size of an organism relative to other members of its population). Surprisingly, sex-determination mechanisms are not evolutionarily conserved but are bewilderingly diverse and appear to have had rapid turnover rates during evolution. Evolutionary biologists continue to seek a solution to this conundrum. What drives the surprising dynamics of such a fundamental process that always leads to the same outcome: two sex types, male and female? The answer is complex but the ongoing genomic revolution has already greatly increased our knowledge of sex-determination systems and sex chromosomes in recent years. This novel book presents and synthesizes our current understanding, and clearly shows that sex-determination evolution will remain a dynamic field of future research. The Evolution of Sex Determination is an advanced, research level text suitable for graduate students and researchers in genetics, developmental biology, and evolution.
Manaus, an urban-industrial center in the Amazon, serves in this book as a microcosmic case of dependent capitalist development in Latin America. With the creation of a Free Trade Zone and a strong program of fiscal incentives in 1967, the Brazilian government initiated a large-scale project designed to establish an industrial pole in Manaus. This book is an anthropological study of the impact of this type of development on the economic, social, and cultural life of working class families. This study underscores the work relationships between different economic sectors, the economy of households, the organization of domestic groups and, ultimately, the social engagement of working class families in the life of their neighborhoods, the city, and the larger Brazilian society. Despres examines the theoretical value of modernization, dependency, and modes of production approaches for understanding the social formation of working class populations. In discussing capitalist development in Brazil, the author grapples with the problems of urbanization, industrialization, and economic development in Latin America generally.
This book describes the neurobiological mechanisms of alcohol abuse and dependence including the role of serotonergeic, dopaminergic, noradrenergic, and hypothalamic-piturary adrenal systems in alcohol use disorders and the results of neuroimaging studies are presented. The neurobiology of comorbidity of alcohol use disorders with other psychiatric disorders are also discussed. Research on the neurobiology of alcohol abuse and dependence is very important. Therefore, this book will be of interest to biomedical researchers, physicians, and other clinicians, students, and anyone who is interested in the mechanisms of addictive disorders.
Romance—the Western way! Harlequin Western Romance brings you a collection of four new heartwarming contemporary romances of everyday women finding love. Available now! This box set includes: WANTED: TEXAS DADDY Texas Legacies: The Lockharts by Cathy Gillen Thacker Sage Lockhart and Nick Monroe are friends with benefits. When Sage asks Nick to make her dream of having a family come true, he agrees…only because he is secretly in love with her! THE RANCHER'S SURPRISE BABY Blue Falls, Texas by Trish Milburn Rancher Ben Hartley has never wanted kids after a horrible childhood, but then he gets Mandy Richardson pregnant. What if the thing he fears most turns out to be the best thing thats ever happened to him?A BABY ON HIS DOORSTEP by Roz Denny Fox Rodeo cowboy Rio McNabb is recovering from injuries, and his nurse, Binney Taylor, is driving him crazy. But his life gets even more intense when a strange woman drops off a baby claiming hes the father. A COWBOY TO KISS by Mary Leo Kenzie Grant is trying her best to save the family ranch. When Jake Scott disagrees with her methods, sparks fly—not only about the ranch but with each other!
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