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invertebrate has backbones and vertebrates has no backbone Animals can be classified into two main groups: Vertebratesand invertebrates. The main difference between vertebrates and invertebrates is that invertebrates do not have a backbone or a spinal column. Examples of vertebrates are birds and snakes while some invertebrates are insects and flatworms.

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14y ago
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10y ago

A vertebrate is a creature with a backbone, or spine, so that would be the defining feature in most cases. Vertebrates are usually large animals too, ones that require the additional solidarity provided by a backbone. There are many other defining features, but a spine is one that can be used across all the many different types of vertebrates.

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11y ago

bilateral symmetry

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Q: What is the defining feature of a vertebrate?
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