This work intent to give an introduction to the basic principles and concepts of geology for all those are interested in the understanding and learn about all the processes and phenomena that formed and shaped the Earth, since its formation, around 4,800 million years before present (BP). Early geologists, makes its task of studying and interpreting these processes, contributed to display the history of the planet and the origin of the life. Their work were the basis for future generations...

The Illustrated Encyclopedia of North American Reptiles and Amphibians describes and illustrates over 1,000 species of turtles, tortoise, lizards, snakes, alligators, salamanders, frogs, and toads. With Over 30,000 color photographs, this encyclopedia is for every naturalist from the novice to the experienced observer.FEATURES:- Information about each North American Reptile and Amphibian. - Over 30,000 color photographs. - Intuitive navigation: navigate from Table of Contents or search for...

This book gives advice on keeping and breeding 36 species of tetra. It is based on the author's over 50 years experience in keeping fish and the things he has learned in over 20 years of running an aquarium shop.The Tetras in the book are the:Adonis Tetra,African Long-Finned Tetra,Black Phantom Tetra,Black Neon Tetra,Black Widow Tetra,Blind Cave Tetra,Buck Tooth Tetra,Buenos Aires Tetra,Cardinal Tetra,Colombian Te...

This is the first comprehensive English-language field guide to the wildlife of Chile and its territories--Chilean Antarctica, Easter Island, Juan Fernández, and San Félix y San Ambrosio. From bats to butterflies, lizards to llamas, and ferns to flamingos, A Wildlife Guide to Chile covers the country's common plants and animals. The color plates depict species in their natural environments with unmatched vividness and realism. The combination of detailed illustrations and engaging...

This is the first field guide dedicated to the diverse tree species of Panama and Costa Rica. Featuring close to 500 tropical tree species, Trees of Panama and Costa Rica includes superb color photos, abundant color distribution maps, and concise descriptions of key characteristics, making this guide readily accessible to botanists, biologists, and casual nature lovers alike.The invaluable introductory chapters discuss tree diversity in Central America and the basics of tr...

This is a book about an ocean that vanished six million years ago - the ocean of Tethys. Named after a Greek sea nymph, there is a sense of mystery about such a vast, ancient ocean, of which all that remains now are a few little pools, like the Caspian Sea. There were other great oceans in the history of the Earth - Iapetus, Panthalassa - but Tethys was the last of them, vanishing a mere moment (in geological terms) before Man came on the scene. Once Tethys stretched across the world. How ...

"A unique review of the many unusual and nearly worldwide occurrences of sabertooths and their relatives over more than 50 million years." — ChoiceWith their spectacularly enlarged canines, sabertooth cats are among the most popular of prehistoric animals, yet it is surprising how little information about them is available for the curious layperson. What's more, there were other sabertooths that were not cats, animals with exotic names like nimravids, barbo...

The Cenozoic or Tertiary Era, derives its name from the greek and means "recent life". It covers the long period of time ranging from 65 to 1.8 million years ago. For the great success of the Mammals, the Cenozoic is also called the Age of Mammals.Birds conquer the heavens, no longer dominated by the flying reptiles. Toward the end of this Age will come out early hominids.

The Mesozoic or Secondary Era, extends for a period ranging from 251 to 65 million years ago. Also called as the Age of Reptiles, derives its name from the greek mesos, "middle", because it was placed in between the ancient (Paleozoic) and recent (Cenozoic) where he witnessed a veritable explosion in the number of living species and formed the majority of sedimentary rocks.

Guide to Lizards is an essential directory to more than 300 lizard species, including readily available terrarium choices plus dozens of seldom seen and rare species that are of great interest to hobbyists and travelers alike. Written by an acknowledged expert on lizards, each profile contains information on size, range, habitat, natural history, care, and suitability as a pet. Profiles are color-coded and organized by native region and feature discussion of how to find lizards in their habit...

This book has an active table of contents to access each chapter of the following titles:Geological Observations on South America - Charles DarwinThe autobiography of Charles Darwin - Charles DarwinThe most well-known work An Essay on the Principle of Population was published by Malthus in 1798. Malthus argued that increases in population would eventually diminish the ability of the world to feed itself and based this conclusion on t...

At the biological crossroads of the Americas, Costa Rica hosts an astonishing array of plants and animals—over half a million species! Ecotourists, birders, and biologists come from around the world, drawn by the likelihood of seeing more than three or four hundred species of birds and other animals during even a short stay. To help all these visitors, as well as local residents, identify and enjoy the wildlife of Costa Rica, Carrol Henderson published Field Guide to the Wildlife of Co...