Assertion: arthropod's structure | /r/HasProperty | special excretory
Facets:
Source sentences:
text: Some arthropods have special excretory structures.
text: Terrestrial arthropods, on the other hand, have special respiratory structures to exchange gases with the air.
text: Some arthropods have special excretory structures.
text: Terrestrial arthropods, on the other hand, have special respiratory structures to exchange gases with the air.