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Slide 1 25.2 Cartilaginous Fish Describe the unique characteristics of fishes. Identify the 2 main classes of fishes. Describe at least 3 adaptations of sharks and of rays.…
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Slide 1 Mating Systems in Birds II: Factors Affecting Choice JodyLee Estrada Duek, Ph.D. With assistance from Dr. Gary Ritchison http://people.eku.edu/ritchisong/matingsystems.html…
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PowerPoint Presentation Immune System Part I: The Evolution of the Immune System 1 Immune System and Innate Immunity The human body has over 100 trillion bacteria living…