Assertion: web building spider | /r/HasAspect | poor vision
Facets:
Source sentences:
text: Web-building spiders have poor vision, but are extremely sensitive to vibrations.
text: Portia look like leaf detritus caught in a web, and this is often enough to fool web-building spiders, which have poor eyesight.
text: Web-building spiders have poor vision, but are extremely sensitive to vibrations.