Lacking a backbone or spinal column. Synonym: spineless. Antonym: vertebrate.
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"Invertebrate" Quotes from Famous Books — The Prehistoric World - Vanished Races • E. A. Allen — Mary Anderson • J. M. Farrar — Adequate Preparation for the Teacher of Biological Sciences in Secondary Schools • James Daley McDonald — Under Fire - The Story of a Squad • Henri Barbusse — Influences of Geographic Environment - On the Basis of Ratzel's System of Anthropo-Geography • Ellen Churchill Semple |
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