Chordates Chapter 23. Phylum Chordata By the end of the Cambrian period, 540 million years ago, an astonishing variety of animals inhabited Earth’s oceans.
Unit 8 Chapter 29 Echinoderms and Invertebrate Chordates.
Marine Plants to Chordates Outcome: -You will be taking notes to review Marine Plants and to Introduce Chordates and their 4 structures. -You will be rotating.
The Hemichordates and Chordates Phylum Hemichordata.
