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Biology 14 Online
OpenStudy (anonymous):

2. Which of the following describes the MOST important difference between invertebrates & vertebrates? A- Vertebrates contain multiple tissues, while invertebrates do not B- Invertebrates contain multiple tissues, while vertebrates do not C- Vertebrates contain a backbone, while invertebrates do not D- Invertebrates contain a backbone, while vertebrates do not Need Help

OpenStudy (anonymous):

C, vertebrates have a backbone

OpenStudy (anonymous):

Can you help me with a couple more

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