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Imagine that you travel back in time 600 million years and are looking at marine organisms. What types of skeletons would you observe in these creatures?

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emmacspies99

Answer:

Hydrostatic skeletons and exoskeletons

Explanation:

A hydrostatic skeleton is found in many soft-bodied animals with a coelom and muscles surrounding the coelom, which is the body cavitiy. An exoskeleton is an external skeleton protecting the body. It acts as armor or a shell.

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