Author by: Janet Moore Languange: en Publisher by: Cambridge University Press Format Available: PDF, ePub, Mobi Total Read: 69 Total Download: 581 File Size: 49,8 Mb Description: So much has to be crammed into today's biology courses that basic information on animal groups and their evolutionary origins is often left out. This is particularly true for the invertebrates. The second edition of Janet Moore's An Introduction to the Invertebrates fills this gap by providing a short updated guide to the invertebrate phyla, looking at their diverse forms, functions and evolutionary relationships.

The two leading invertebrate texts, Brusca and Brusca and Ruppert, Fox, and Barnes, recently published much anticipated updated editions. For both books, the new edition offers several improvements. Trying to cover all of invertebrate biology within a single volume is a daunting task, but both texts do a good job of offering a balanced approach.

This book first introduces evolution and modern methods of tracing it, then considers the distinctive body plan of each invertebrate phylum showing what has evolved, how the animals live, and how they develop. Boxes introduce physiological mechanisms and development. The final chapter explains uses of molecular evidence and presents an up-to-date view of evolutionary history, giving a more certain definition of the relationships between invertebrates. This user-friendly and well-illustrated introduction will be invaluable for all those studying invertebrates. Author by: Hugh F. Clifford Languange: en Publisher by: University of Alberta Format Available: PDF, ePub, Mobi Total Read: 23 Total Download: 346 File Size: 42,8 Mb Description: A great diversity of invertebrate life lives beneath the surface of Alberta's lakes and streams.

Aquatic Invertebrates of Alberta complements existing field guides to organisms in Alberta, covering all major groups of aquatic invertebrates. Colour photographs, pictorial keys, and 114 whole-specimen drawings complement the text.

This book is only available through the University of Alberta Bookstore (print-on-demand). Author by: Jim P. Curry Languange: en Publisher by: Springer Science & Business Media Format Available: PDF, ePub, Mobi Total Read: 77 Total Download: 806 File Size: 43,9 Mb Description: Grasslands comprise more than a quarter of the Earth's land surface. Kimber 82 government serial number. In addition to supporting a wide range of vertebrates such as domestic livestock and a variety of games species, grassland is the natural habitat for a wide range of invertebrate species, and this book considers those which occur in grassland and their impact on soil fertility and herbage growth. It describes grassland as a habitat for invertebrates, the groups which occur there and their abudance. An extensive literature on grassland invertebrates scattered through numerous scientific journals and reports is drawn on in an attempt to develop an overview. In the opening chapter the major grassland types are considered and the features which influence the distribution and abudance of the invertebrates which inhabit them are discussed.