Following an opening chapter by the late Susumu Ohno on paralogues of sex-determining genes, the five best-studied genes essential for early mammalian gonadal development are portrayed in detail: SF-1 and WT1 and their roles in early events in gonadal development, SRY and SOX9 in testis determination, and the anti-testis gene DAX-1. Subsequent chapters look at the roles of these genes in sex determination in marsupial mammals, birds, reptiles, amphibians and fish, and review the different ...

The most commonly kept domestic animal in the developed world, the cat has been a part of human life for thousands of years. Cats have been both worshipped and persecuted over this long period - either loved or hated for their enigmatic self-reliance and the subject of numerous myths and fables. Highlighting startling discoveries made over the last ten years, this new edition features contributions from experts in a wide range of fields, providing authoritative accounts of the behaviour of...

Kids love nature at very early ages. In fact, they develop a love for certain animals as soon as they are exposed to them. Often, it is the babies of their favorite creatures that really spark their imaginations. In this case, a nature book about baby animals can be used to engage the children in the things that they have in common with the babies and also how they differ. The kids are often engaged as soon as they see these baby animals in books.

Introduce your children to the strange animals of the world in order to increase his/her knowledge of the kingdom animalia. The more a child knows about the living world, the more aware he/she will be too. This awareness is the key to life preservation on the planet. Get ready to hear your 1st grader identify more animals than you would expect. Grab a copy today!

Among favorite animals for kids are lions, tigers, and bears, which makes a Lions, Tigers and Bears in Motion Picture Book an ideal choice for a school aged child. This picture book shows these large animals in their environments and helps children learn about how the animals eat, find shelter and survive. The pictures are engaging for young boys and girls and show the lively action of the jungle or mountains. Children love lions and tigers and bears, and the Lions, Tigers and Bears in Mot...

Let's explore the jungle and virtually play with the wild cats. This educational book uses the unique combination of texts and images to deliver eye-awakening information pertaining to jungle animals. Through early introduction, a child has a better chance of truly understanding what these animals can do for the environment and why we need them. Secure a copy today!

Bats are fascinating mammals about which we still have much to learn. As well as using ultrasonic echolocation calls for orientation and while foraging, they also have a complex array of vocalisations for communication. These are known as social calls and are an essential component of their colonial lifestyle.This book brings together the current state of knowledge of social calls relating to the bat species occurring within Britain and Ireland, with some additional exampl...

As adults, it is our responsibility to ensure that our children are provided with the proper platforms for learning about our Earth and everything within it. As our children's brains are able to soak up information at tremendous rates, we should do everything we can to get them started on their education as soon as possible. At the same time, we should be sure to ensure that they are able to enjoy their childhood with fun at the same time. A Deadliest Animals on the Planet Picture Book wil...

Allow your child the freedom to explore the jungle, but without ruining your peace of mind. This educational book includes pictures and texts that make learning a breeze. The use of images allows for universal understanding while the texts serve as practice tools for reading. Your child will definitely love learning when you have this book around. Grab a copy today!

Children usually do not live in areas where they are exposed to the great predators of the wild. Their sense of wonder is boosted when they learn about bears, sharks, spiders, and tigers who serve as earth's great and small predators. Kids also learn that predators are not evil in any way and that the belief these creatures are "monsters" is wrong. Upon seeing the truth about these animals and the size and scope of the natural world, a sense of wonder and imagination grows.

Are you ready to meet the different animals living in the jungle? Turn the pages of this picture book to get to know them! The importance of this book is in line with raising awareness on what the jungle is and why it is vital to many wildlife. Your child will definitely love learning from this book, so grab a copy today!

This thorough revision of the classic Encyclopedia of Marine Mammals brings this authoritative book right up-to-date. Articles describe every species in detail, based on the very latest taxonomy, and a host of biological, ecological and sociological aspects relating to marine mammals. The latest information on the biology, ecology, anatomy, behavior and interactions with man is provided by a cast of expert authors – all presented in such detail and clarity to support both marine mammal spe...