characteristic will be placed. placenta endothermic metabolism mammary glands camera eye Bat Platypus four limbs Which characteristic is analogous between birds and platypuses? Bird jaw bilateral beak symmetry Lizard amniotic sac Amphibian Shark Incorrect. Whereas other common ancestors may be mislabeled, you have specifically mislabeled the common ancestral trait before the lizard and bird divergence. Animals that lay their eggs on land or have live birth have an amniotic sac.

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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.