Compound eye
Vespid wasps (Vespidae), similar to other insects, have compound eyes that consist of thousands of tiny optical units known as ommatidia, which contain light-sensitive photoreceptor cells.
Senses, means by which animals detect and respond to stimuli in their internal and external environments. The senses of animals are most usefully described in terms of the kind of physical energy, or modality, involved. There are four main modalities: the light senses (photoreception; i.e., vision), the mechanical senses (mechanoreception; i.e., touch, balance, and hearing), the chemical senses (chemoreception; i.e., taste and smell), and the electric sense (electroreception) of certain fish. In addition to these...
Discover the world with Britannica
Subscribe to Continue Reading
Free Trial
|
No Ads
|
Exclusive Content
Explore Subscriptions
