Animals Without Backbones

Animals Without Backbones PDF Author: Ralph Buchsbaum
Publisher:
ISBN:
Category : Invertebrates
Languages : en
Pages :

Book Description


Animals Without Backbones

Animals Without Backbones PDF Author: Bobbie Kalman
Publisher: Crabtree Publishing Company
ISBN: 9780778732792
Category : Juvenile Nonfiction
Languages : en
Pages : 36

Book Description
Invertebrates do not have backbones or internal skeletons, but some have hard coverings. Invertebrates are weird and wonderful creatures that come in every shape and color imaginable! Children will love the exciting photos!

An Introduction to the Invertebrates

An Introduction to the Invertebrates PDF Author: Janet Moore
Publisher: Cambridge University Press
ISBN: 1139458477
Category : Science
Languages : en
Pages : 283

Book 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. 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.

Animals Without Backbones

Animals Without Backbones PDF Author: Bridget Anderson
Publisher: World of Science: Come Learn w
ISBN: 9781890674144
Category : Animals
Languages : en
Pages : 0

Book Description
Discusses what invertebrates are and how they are classified, and provides in-depth information about many specific invertebrates, such as insects, sponges, and jellyfish.

A First Look at Animals With Backbones and A First Look at Animals Without Backbones

A First Look at Animals With Backbones and A First Look at Animals Without Backbones PDF Author: Millicent E. Selsam
Publisher: iUniverse
ISBN: 0595291228
Category : Science
Languages : en
Pages : 0

Book Description
An introduction to the characteristics of the major groups of invertebrates and vertebrates.

The Inside-Out Stomach

The Inside-Out Stomach PDF Author: Peter Loewer
Publisher: Atheneum Books for Young Readers
ISBN: 9781481421584
Category : Juvenile Fiction
Languages : en
Pages : 0

Book Description
Peter Loewer pairs his fascinating knowledge of backboneless animals with the vivid illustrations of Jean Jenkins in this introduction to the characteristics of invertebrates, amoebas, and other one-celled animals. Ever wonder what sets invertebrates apart from other animals? Aside from their lack of backbone, of course. Peter Loewer takes readers through the ins-and-outs of invertebrate animals in this bright and detailed picture book. With special attention to the physical characteristics, habits, and natural environments of a variety of animals lacking a backbone, The Inside-Out Stomach is the perfect introduction not only to invertebrates, but also amoebas and other one-celled animals.

Across the Bridge

Across the Bridge PDF Author: Henry Gee
Publisher: University of Chicago Press
ISBN: 022640319X
Category : Science
Languages : en
Pages : 325

Book Description
“Addresses an important topic for biologists and zoologists about vertebrates’ place in the ‘grand scheme’ . . . genuinely witty and charming . . . magnificent.” —Neil J. Gostling, University of Southampton Our understanding of vertebrate origins and the backbone of human history evolves with each new fossil find and DNA map. Many species have now had their genomes sequenced, and molecular techniques allow genetic inspection of even non-model organisms. But as longtime Nature editor Henry Gee argues in Across the Bridge, despite these giant strides and our deepening understanding of how vertebrates fit into the tree of life, the morphological chasm between vertebrates and invertebrates remains vast and enigmatic. As Gee shows, even as scientific advances have falsified a variety of theories linking these groups, the extant relatives of vertebrates are too few for effective genetic analysis. Moreover, the more we learn about the species that do remain—from sea-squirts to starfish—the clearer it becomes that they are too far evolved along their own courses to be of much use in reconstructing what the latest invertebrate ancestors of vertebrates looked like. Fossils present yet further problems of interpretation. Tracing both the fast-changing science that has helped illuminate the intricacies of vertebrate evolution as well as the limits of that science, Across the Bridge helps us to see how far the field has come in crossing the invertebrate-to-vertebrate divide—and how far we still have to go. “A beautiful ode to some of the least appreciated animals . . . guides the reader joyfully through deuterostomes—weaving disparate elements of embryology, paleontology, and morphology into an unprecedented and accessible narrative.” —Jakob Vinther, University of Bristol

Sex Lives of Animals Without Backbones

Sex Lives of Animals Without Backbones PDF Author: Haig Hagop Najarian
Publisher: Krieger Publishing Company
ISBN:
Category : Science
Languages : en
Pages : 144

Book Description


Half Hours with the Lower Animals

Half Hours with the Lower Animals PDF Author: Charles Frederick Holder
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 254

Book Description


What is a Vertebrate?

What is a Vertebrate? PDF Author: Bobbie Kalman
Publisher: Crabtree Publishing Company
ISBN: 9780778732778
Category : Juvenile Nonfiction
Languages : en
Pages : 36

Book Description
Full-color photographs and simple text introduce young readers to various animals, fish, and reptiles that have skeletons.