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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 ...
The Tabaninae lack ocelli (simple eyes) and have no spurs on the tips of their hind tibiae. In the Pangoniinae, ocelli are present and the antennal flagellum (whip-like structure) usually has eight annuli (or rings). In the Chrysopsinae, the antennal flagellum has a basal plate and the flagellum has four annuli.
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.
This list of Latin and Greek words commonly used in systematic names is intended to help those unfamiliar with classical languages to understand and remember the scientific names of organisms. The binomial nomenclature used for animals and plants is largely derived from Latin and Greek words, as are some of the names used for higher taxa , such ...
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 ...
Present-day anthropologists use the term to refer to the universal human capacity to classify experiences and to encode and communicate them symbolically. They regard this capacity as a defining feature of the genus Homo. Since culture is learned, people living in different places have different cultures.
The arts or creative arts are a vast range of human practices of creative expression, storytelling, and cultural participation. The arts encompass diverse and plural modes of thinking, doing, and being in an extensive range of media. Both dynamic and a characteristically constant feature of human life have developed into stylized and intricate ...