Assertion: damselfly's eye | /r/HasAspect | green
Facets:
value: for longer wavelengths
type: OTHER
Source sentences:
text: They are segregated in the compound eye so that the upwards facing eye has only blue and UV receptors, and the downwards facing eye has receptors for longer wavelengths, [such as] green and orange," says Robert Olberg, dragonfly vision expert and professor of biology at Union College in Schenectady.