THE VERTEBRATES Chordates (phylum Chordata) are deuterostome coelomates whose nearest relatives in the animal kingdom are the echinoderms, the only other deuterostomes.

Vertebrate Origin

INTRODUCTION Vertebrates are all the animals with backbones, the fishes, amphibians, reptiles, birds, and mammals. These animals have attracted a great deal of study.

18 Identifying Vertebrates Using Classification Keys, SE

Chapter 18 Classification Identifying Vertebrates Using Classification Keys Introduction Organisms such as vertebrates (animals with backbones) are classified into groups according to certain characteristics.


In the early stages of growth when vital organs originate, the developmental sequences, or ontogeny, of all vertebrates are very similar. As the fertilized egg transforms into an adult, the general vertebrate plan is modified during growth as each species acquires its adult species pattern.

Diversity of Vertebrate Animals

There is a dorsal nerve cord; a digestive tract that extends from the mouth to anus; a muscular tail that extends beyond the anus and the heart pumps blood through the body and to the gills (or lungs). Indeed, all vertebrates contain a tail and gill slits at some stage of development.

Synapomorphies of Chordates (including Vertebrates)

BIOL 101L: Principles of Biology Fall 2008 Vertebrates Last week, you examined animals representing the parazoans, the acoelomates, and the protostomes.


Science Grade Level 6 Unit Topic: Vertebrates and Invertebrates Timeline: 10 to 15 Instructional Hours □See Teacher Notes Big Idea(s): Animals adapt to their environment.

Vertebrates and Invertebrates

Vertebrates and Invertebrates Objective: Students will gain an understanding of the difference between vertebrates and invertebrates. Materials: Oyster Shrimp Fish Knife 2 poster boards Glue Magazines Scissors Activity: Initiate - Discuss the two new names - vertebrate and invertebrate.

A Study of Vertebrates

A Study of Vertebrates 1 Best Practices of Technology Integration Title: A Study of Vertebrates 1 Subjects(s): Science Intended Grade Level(s): 4 Description: The purpose of this project is to introduce students to the world of vertebrates.

Immunity and the Invertebrates

After he punctured the starfish, Metchnikoff viewed a spectacle that was not much different on that December day in Sicily than it would have been in the earth's primordial sea tens of millions of years before the first living things with backbones — vertebrates — appeared.

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