please answer the following questions and also do the image attach please i would really appreciate it if you would answer all please answer fast List characteristics common to all chordates and compare the subphyla. Describe the characteristics of vertebrates that distinguish them from other chordates. Compare the major classes of vertebrates. List the evolutionary changes including changes that made terrestrial life possible:

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Q: ncestral hordate

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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.