Assertion: echidna's tongue | /r/HasProperty | retracted
Facets:
Source sentences:
text: When the tongue is retracted, the prey is caught on backward-facing keratinous "teeth", located along the roof of the buccal cavity, allowing the animal both to capture and grind food.
text: When the tongue is retracted, the prey is caught on backward-facing keratinous "teeth" along the roof of the buccal cavity.
text: When the tongue is retracted, the prey is caught on backward-facing keratinous "teeth" along the roof of the buccal cavity.