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- Which is NOT a common characteristic of mammals? A) have small brains compared to skull size B) have three middle ear bones C) have hair or fur D) young are fed milk produced by the mothers mammary glandsWhat is the relationship of body mass to metabolic rate of mammals?Which is found in the exoskeletons of crustaceans?
- Give typing answer with explanation and conclusion name one other animal that has appendages with similar dual function as the crayfish (locomotion and gas exchange)Which is NOT true about Neanderthals? A) had large brains B) lived in caves C) used projectile weapons D) hunted large gameThese animals are engaged in _______________________