Corals are marine invertebrates in the class Anthozoa of phylum Cnidaria. They typically live in compact colonies of many identical individual polyps. The group includes the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton.
A coral "group" is a colony of myriad genetically identical polyps. Each polyp is a sac-like animal typically only a few millimeters in diameter and a few centimeters in length. A set of tentacles surround a central mouth opening. An exoskeleton is excreted near the base. Over many generations, the colony thus creates a large skeleton that is characteristic of the species. Individual heads grow by asexual rep
The black Russian terrier is confident, calm, highly intelligent, brave and loyal. However, without proper training and socialization, they can become aggressive. It should never be timid, and will not hesitate to defend the people that it loves if it thinks they are threatened.
The Black Russian Terrier may seem aloof, but needs human companionship and bonds deeply to its family. They are wary of strangers and take a long time to warm up to unfamiliar people, thus they make excellent guard dogs.
Black Russian Terriers are dominant by nature and need confident owners who have experience handling similar dogs.
The Black Russian Terrier gives the impression of great strength,
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Condor is the common name for two species of New World vultures, each in a monotypic genus. They are the largest flying land birds in the Western Hemisphere
1. The Andean condor (Vultur gryphus) which inhabits the Andean mountains.
2. The California condor (Gymnogyps californianus) currently restricted to the western coastal mountains of the United States and Mexico and the northern desert mountains of Arizona in the United States.
Condors are part of the family Cathartidae, whereas the 15 species of Old World vultures are in the family Accipitridae, that also includes hawks, eagles, and kites. The New World and Old World vultures evolved from different ancestors. However, t
