Both the calcaneus and the first toe of bipeds are relatively ____ in comparison to the rest of the foot when compared to the feet in in other primates/ a. more gracile b. more diminutive c. short d. large

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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.