Seudónimo Seudónimo

27-11-2015
Biology

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Unlike exoskeletons, endoskeletons

A. are relatively heavy.B. protect the animal well.C. need to be molted.D. can grow as the animal grows.

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MonikaMole1421 MonikaMole1421

28-11-2015

D. can grow as the animal grows. Endoskeleton is an internal skeletal system that provides a framework for the body. Unlike an exoskeleton, it grows as the body grows. Humans, birds, fish and mammals have endoskeletons.

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