Questions with the keyword 'invertebrate'

• What is the advantage for an invertibrate to not have a spine? by michelletherezien to Charlotte, Jo, Kevin, Louise, Valeria Comments: (No comments so far )
• Do worms have brains? by nakikaykay to Charlotte, Jo, Kevin, Louise, Valeria Comments: (No comments so far )
• Are slugs REALLY just snail without a shell, or are they something else entirely? by iamthellamaking to Charlotte, Jo, Kevin, Louise, Valeria Comments: (No comments so far )
• do worms have hearts and do flies have blood? by anon-22441 and 1 other. to Charlotte, Jo, Kevin, Louise, Valeria Comments: (so far, 4s comments )