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Há 2 dias · Taxonomy. The classification of corals has been discussed for millennia, owing to having similarities to both plants and animals. Aristotle's pupil Theophrastus described the red coral, korallion, in his book on stones, implying it was a mineral, but he described it as a deep-sea plant in his Enquiries on Plants, where he also mentions large stony plants that reveal bright flowers when under ...
Há 3 dias · Feeding and digestive system. Lancelets are passive filter feeders, [14] spending most of the time half-buried in sand with only their frontal part protruding. [66] They eat a wide variety of small planktonic organisms, such as bacteria, fungi, diatoms, and zooplankton, and they will also take detritus. [67]
Há 3 dias · Vertebrates ( / ˈvɜːrtəbrɪts, - ˌbreɪts /) [3] are deuterostomal animals with bony or cartilaginous axial endoskeleton — known as the vertebral column, spine or backbone — around and along the spinal cord, including all fish, amphibians, reptiles, birds and mammals.
Há 2 dias · Bengal tiger. Range of Bengal tiger in red. The Bengal tiger is a population of the Panthera tigris tigris subspecies and the nominate tiger subspecies. [1] It ranks among the biggest wild cats alive today. [2] [3] It is considered to belong to the world's charismatic megafauna.
Há 3 dias · Canidae ( / ˈkænɪdiː /; [3] from Latin, canis, " dog ") is a biological family of dog-like carnivorans, colloquially referred to as dogs, and constitutes a clade. A member of this family is also called a canid ( / ˈkeɪnɪd / ). [4] The family includes three subfamilies: the Caninae, the extinct Borophaginae and Hesperocyoninae. [5]
Há 3 dias · Ovis guineensis Linnaeus, 1758. Ovis strepsiceros Linnaeus, 1758. Sheep ( pl.: sheep) or domestic sheep ( Ovis aries) are a domesticated, ruminant mammal typically kept as livestock. Although the term sheep can apply to other species in the genus Ovis, in everyday usage it almost always refers to domesticated sheep.
Há 3 dias · The green sea turtle ( Chelonia mydas ), also known as the green turtle, black (sea) turtle or Pacific green turtle, [4] is a species of large sea turtle of the family Cheloniidae. It is the only species in the genus Chelonia. [5] Its range extends throughout tropical and subtropical seas around the world, with two distinct populations in the ...
