Click on a lesson name to select. Section 1: Echinoderm Characteristics Section 2: Invertebrate Chordates Chapter 27 Echinoderms and Invertebrate Chordates.
Chapter 30 Power Point[1]
VERTEBRATE EVOLUTION AND DIVERSITY – Vertebrates have unique endoskeletons composed of: A cranium (skull) A backbone made of a series of bones called vertebrae.
End Show Slide 1 of 25 Copyright Pearson Prentice Hall Biology.
Copyright Pearson Prentice Hall 30-1 The Chordates.
Lecture #14 Phylum Chordata. only 45,000 species characteristics: – 1. bilaterally symmetrical – 2. notochord – 3. pharyngeal gill slits – 4. dorsal,
Nonvertebrate Chordates, Fishes, and Amphibians
Chordates Chapter 30. 30-1 The Chordates What is a chordate? A chordate is an animal that has, for at least some stage of its life, a dorsal, hollow nerve.
Unit 9 Chordates
the Animal kingdom
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