Out of the three, what would be an example of evolution? A population of green beetles changes over many generations to a population of brown beetles. Individual green beetles in a population become brown because of what they are eating. The environment where a population of green beetles is living changes, becoming much more cold over time.

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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.