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Land and Sea. Our Grosberg et al. (2012) reading on biodiversity on land and in the...

Land and Sea. Our Grosberg et al. (2012) reading on biodiversity on land and in the sea suggested that “The evolutionary fates of clades making transitions among the great realm depends on the inherent adaptability of their physiological and developmental systems, as well as on the ability of incumbents to exclude competitors that are initially poorly adapted to the new medium.” 

(A) How does this statement explain the success of plants in terrestrial environments, and the fact that all land plants share a single common ancestor that made this transition from water to land?

(B) How does this statement explain why some animal taxa, but not others, have been so successful in their movement to and subsequent diversification in terrestrial environments? Please give examples of specific taxa that and have not been successful in your answer, perhaps from the table in the reading (which was simplified in our slides).
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