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The term "ocellus" (plural ocelli) is derived from the Latin oculus (eye), and literally means "little eye". In insects, two distinct ocellus types exist: [9] dorsal (top-most) ocelli, and lateral ocelli (often referred to as ocelli and stemmata, respectively), most insects have dorsal ocelli while stemmata are found in the larvae of some ...
Some reptiles, such as the sand lizard of Europe, have eyespots; in the sand lizard's case, there is a row of spots along the back, and a row on each side. [12]Many species of cat, including Geoffroy's cats, jungle cats, pampas cats, and servals, have white markings, whether spots or bars, on the backs of their ears; it is possible that these signal "follow me" to the young of the species.
The pigment molecules used in the eye are various, but can be used to define the evolutionary distance between different groups, and can also be an aid in determining which are closely related—although problems of convergence do exist. [51] Opsins are the pigments involved in photoreception.
Symbolic use: Still Life with Lobster and Oysters by Alexander Coosemans, c. 1660 Practical use: cattle carcass in a slaughterhouse. Human uses of animals include both practical uses, such as the production of food and clothing, and symbolic uses, such as in art, literature, mythology, and religion. All of these are elements of culture, broadly ...
The grasshopper hears through the tympanal organ which can be found in the first segment of the abdomen attached to the thorax; while its sense of vision is in the compound eyes, a change in light intensity is perceived in the simple eyes (ocelli).
The use of triangular corner flags in English football is not a privilege reserved for those teams that have won an FA Cup in the past, as depicted in a scene in the film Twin Town. The Football Association 's rules are silent on the subject, and the decision over what shape flag to use has been up to the individual club's groundskeepers.
Culture – set of shared attitudes, values, goals, and practices that define a group of people, such as the people of a particular region. Culture includes the elements that characterize a particular peoples' way of life. The arts – vast subdivision of culture, composed of many creative endeavors and disciplines. The arts encompasses visual ...
[10] Fabricius' system remains the basis of insect classification today, although the names he proposed are not. For instance, his name for the order containing the beetles was "Eleutherata", rather than the modern " Coleoptera ", and he used "Piezata" for Hymenoptera ; his term Glossata is still in use, but for a slightly smaller group among ...