Dogfish sharks (Squalus acanthias) represented “primitive” gnathostomes and cats (Felis catus) represented the “derived” state. Was this appropriate? How does the anatomy of a cat reflect humans’ shared ancestry with sharks?

Dogfish sharks (Squalus acanthias) represented “primitive” gnathostomes and cats (Felis catus) represented the “derived” state. Was this appropriate? How does the anatomy of a cat reflect humans’ shared ancestry with sharks?

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter51: Animal Development

Section: Chapter Questions

Problem 15TYU

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Concept explainers

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.

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1 page please: Dogfish sharks (Squalus acanthias) represented “primitive” gnathostomes and cats (Felis catus) represented the “derived” state. Was this appropriate? How does the anatomy of a cat reflect humans’ shared ancestry with sharks?

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