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Definitions from the Web

Invertebrates

Definition: Invertebrates are animals that do not have a backbone or vertebral column. They form a diverse group and represent the majority of animal species on Earth.

Senses and Usages:

1. Noun: In biology, referring to animals lacking a backbone.

   Example sentence: Invertebrates such as insects, spiders, and worms make up a significant portion of the animal kingdom.

2. Adjective: Describing a characteristic of lacking a backbone.

   Example sentence: The marine biologist studies the fascinating behavior of various invertebrate species found in coral reefs.

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• Invertebrate Biology Books
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