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Earth Sciences 20 Online
OpenStudy (justuu):

Invertebrate animals: have backbones have internal skeletons do not have backbones always have hard, outer shells

OpenStudy (justuu):

@jabez177

OpenStudy (justuu):

@chrperez28

OpenStudy (captainfluffy):

its D for sure, just think if invertebrates as crabs or bugs

OpenStudy (justuu):

Thank you

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