Biology, 29.08.2019 00:50, Tyrant4life

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

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2. which of the following describes the most important difference between invertebrates & verte...