1- Flightlessness in the Rhea may be an example of character displacement. ( choose true or false) 2- The distribution of all four lineages of birds can be explained by vicariance caused by plate tectonics. ( choose true or false) 3- In this phylogeny, flight may have been lost seven individual times. ( choose true or false) 4- The distributions of Tinamous and Rheas are an example of competitive exclusion. ( choose true or false)

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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.