Assertion: flea | /r/HasAspect | simple eyespots
Facets:
value: with a single biconvex lens
type: OTHER
Source sentences:
text: Unlike other insects, fleas do not possess compound eyes but instead only have simple eyespots with a single biconvex lens; some species lack eyes altogether.
text: Unlike other insects, fleas do not possess compound eyes but instead only have simple eyespots with a single biconvex lens; some species lack eyes altogether.