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While color vision is dependent on many factors, discussion of the evolution of color vision is typically simplified to two factors: the breadth of the visible spectrum (which wavelengths of light can be detected), and; the dimensionality of the color gamut (e.g. dichromacy vs. tetrachromacy).
Cass: Cassandra, or "Cass" for short, is the main protagonist of all the books.A smart, sarcastic, 12-year-old adopted girl (as discovered in the second book, If You're Reading This, It's Too Late), Cass embarks on adventures with Max-Ernest and Yo-Yoji to stop the Midnight Sun and its sinister plans to achieve immortality.
In biology, binocular vision is a type of vision in which an animal has two eyes capable of facing the same direction to perceive a single three-dimensional image of its surroundings. Binocular vision does not typically refer to vision where an animal has eyes on opposite sides of its head and shares no field of view between them, like in some ...
The Allegory of Good and Bad Government is a series of three fresco panels painted by Ambrogio Lorenzetti between February 1338 and May 1339. The paintings are located in Siena 's Palazzo Pubblico —specifically in the Sala dei Nove ("Salon of Nine"), the council hall of the Republic of Siena 's nine executive magistrates, [ 2 ] elected ...
Color vision is categorized foremost according to the dimensionality of the color gamut, which is defined by the number of primaries required to represent the color vision. This is generally equal to the number of photopsins expressed: a correlation that holds for vertebrates but not invertebrates .
The horse uses its binocular vision by looking straight at an object, raising its head when it looks at a distant predator or focuses on an obstacle to jump. To use binocular vision on a closer object near the ground, such as a snake or threat to its feet, the horse drops its nose and looks downward with its neck somewhat arched.