Chordate - Wikipedia, the free encyclopedia
Chordates (phylum Chordata) are animals which are either vertebrates or one of ... The chordates and three sister phyla, the Hemichordata, the Echinodermata and ...
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Chordata
Chordates are well represented in marine, freshwater and terrestrial habitats ... The oldest fossil chordates are of Cambrian age. ...
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chordate: Definition from Answers.com
chordate n. Any of numerous animals belonging to the phylum Chordata, having at some stage of development a dorsal nerve cord, a notochord, and gill
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Introduction to the Chordata
The Chordata is the animal phylum with which everyone ... However, not all chordates are vertebrates. All chordates have the following features at some point in ...
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Chordates
Most chordates have two eyes and at least a minimal system of hearing as fish do ... The chordates have the most developed brains of all the phyla and complex ...
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Biology of Animals & Plants - Simple Chordates
Invertebrate Chordates - Types. Sea Squirts / Tunicates (Urochordates) Filter Feeding ... Go On to Next Chapter - Vertebrate Chordates. TABLE OF CONTENTS / SITE MAP ...
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BioMEDIA ASSOCIATES
BioMEDIA ASSOCIATES, To many students, the phylum Chordata doesn't seem to make much sense. ... Home Product Guides Branches on the Tree of Life Chordates ...
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Chordates
The simplest and earliest chordates are pre-vertebrate animals such as ascidians, ... The major group of chordates are the sub-phylum Vertebrata, the vertebrates. ...
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Chordates
chordates into context, it is. convenient to begin by focusing. on the branch ... Figure 1. Representatives of the chordates and other relevant animal groups. ...
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CHARACTERISTICS OF CHORDATES
... distinctive derived characteristics of chordates distinguish them from their ancestors: ... that may develop as the thyroid gland in chordates ...
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