Backboned a. : Vertebrate.

Example:
I need science projects that test two different things that arent Backboned animals?

Taxonomy
Backbone, dictionary, Encyclopedia, vertebrate, thesaurus browser, online dictionary, Free Online Dictionary, mountain ridge, continent, latitude, English dictionary, Translations, free online English dictionary, law, explanation, Acronyms, Idioms, bone.

Defination from the web:
Backboned in the Online Dictionary. Meaning of Backboned. Pronunciation of Backboned. Translations of Backboned. Backboned synonyms, Backboned antonyms. ... Allen's advice, backboned by Team IRG, has propelled their success as they achieved four closings in September ...