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Encyclopedia > Galapagos tortoise
Galápagos Tortoise

Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ...Scientific classification
Kingdom: Phyla Subkingdom Parazoa Porifera (sponges) Subkingdom Agnotozoa Placozoa Orthonectida Rhombozoa Subkingdom Metazoa Radiata Cnidaria Ctenophora _ Comb jellies Bilateria Protostomia Acoelomorpha Platyhelminthes _ Flatworms Nemertina _ Ribbon worms Gastrotricha Gnathostomulida _ Jawed worms Micrognathozoa Rotifera _ Rotifers Acanthocephala Priapulida Kinorhyncha Loricifera Entoprocta Nematoda _ Roundworms Nematomorpha _ Horsehair worms Cycliophora Mollusca _ Mollusks Sipuncula _ Peanut worms Annelida _ Segmented...Animalia
Phylum: Typical Classes Subphylum Urochordata _ Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata _ Lancelets Subphylum Myxini _ Hagfishes Subphylum Vertebrata _ Vertebrates Petromyzontida _ Lampreys Placodermi (extinct) Chondrichthyes _ Cartilaginous fishes Acanthodii (extinct) Actinopterygii _ Ray_finned fishes Actinistia _ Coelacanths Dipnoi _ Lungfishes Amphibia _ Amphibians Reptilia _ Reptiles Aves _ Birds Mammalia _ Mammals Chordates (phylum Chordata) include the vertebrates, together with...Chordata
Class: Orders  Crocodilia _ Crocodilians scary crocodiles. ...Reptilia
Order: Families See text Turtles are reptiles of the order Testudinata, most of whose body is shielded by a special bony shell developed from their ribs. ...Testudines
Family: For the band, see Tortoise (band). ...Testudinidae
Genus: Geochelone
Species: G. nigra
In biology, binomial nomenclature is a standard convention used for naming species. ...Binomial name
Geochelone nigra
(Quoy & Joseph Paul Gaimard (1796 - 1858) was a French naturalist. ...Gaimard, 1824 was a leap year starting on Thursday (see link for calendar). ...1824)

The Galápagos tortoise (or giant Galápagos tortoise), Geochelone nigra, is the largest living For the band, see Tortoise (band). ...tortoise. It can weigh over 225 kg (500 pounds) and measure 1.8 m (6 feet) from head to tail. It is a very slow_moving animal, moving only 0.25 km/h (0.16 miles per hour). It is a In zoology, an herbivore is an animal that is adapted to eat primarily plants (rather than meat). ...herbivore, eating grasses, plant leaves, cactus and fruits.

The Galápagos tortoise has a very large The hard, rigid outer calcium carbonate covering of certain animals is called a shell. ...shell (or carapace) made of Grays illustration of a human femur, a typically recognized bone. ...bone. The shape of the The term carapace refers to a dorsal section of an exoskeleton or shell, in a number of animal groups. ...carapace and other morphological features are indicative of the terrain the animal inhabits. Highland areas with lush vegetation near the ground are normally home to tortoises with domed shells; these animals have restricted upward head movement due to shorter necks, and tend to have shorter limbs as well (see photo). Coastal regions with less vegetation at ground level are inhabited by tortoises with saddle_back shells; their extended necks and limbs help them to reach food higher off the ground. Shells can also be of intermediate type, with characteristics between domed and saddle_back types.

The Galápagos tortoise is found on the NASA Satellite photo of the Galápagos archipelago. ...Galápagos Islands just west of The Republic of Ecuador is a country in northwestern South America, bounded by Colombia on the north, by Peru on the east and south, and by the Pacific Ocean on the west. ...Ecuador in South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ...South America. Because of the 250,000 tortoises that inhabited the island, The Spanish people or Spaniards are an ethnic group native to Spain, in southwestern Europe, who are primarily descended from the autochthonous pre_Indo_European Euskaldunak, Latin, Visigothic, Celtic and Moorish peoples. ...Spanish explorers named the islands Galápagos for the giant tortoises. Today only 15,000 are left.

One of the oldest living specimens is a giant Galápagos tortoise named Harriet at age 174 Harriet is an ancient tortoise at the Australia Zoo, a Queensland zoo famous as the home base of Steve Irwin, the star of The Crocodile Hunter. ...Harriet in the Australia Zoo at Beerwah, Queensland, Australia is owned by Steve Irwin and Terri Irwin, who costar on the The Crocodile Hunter, which is the name of their unconventional nature documentary series on television, as well as a spin-off series Croc Files. ...Australia Zoo at Beerwah, Motto: Audax at Fidelis (Bold but Faithful) Other Australian states and territories Capital Brisbane Governor HE Ms Quentin Bryce Premier Peter Beattie (ALP) Area 1,852,642 km² (2st)  _ Land 1,730,648 km²  _ Water 121,994 km² (6. ...Queensland, Australia, officially the Commonwealth of Australia, is the sixth_largest country in the world, the only one to occupy an entire continent, and the largest in the region of Australasia/ Oceania. ...Australia. Its estimated date of birth is 1830.

This article incorporates text from the The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ...public domain The Eleventh Edition of the Encyclopædia Britannica ( 1911) in many ways represents the sum of knowledge at the beginning of the 20th century. ...1911 Encyclopædia Britannica.

External links

  Results from FactBites:
Galápagos tortoise - Wikipedia, the free encyclopedia (724 words)
Although the maximum life expectancy of a wild tortoise is unknown, the average life expectancy is estimated to be 100 to 200 years.
The Galápagos tortoise is found on the Galápagos Islands west of Ecuador in South America.
Tortoise remains have been found on Rábida and Santa Fe islands and were considered possible new taxa, but it is now considered doubtful that these were ever natural populations, but rather introduced to those islands by humans.
Galapagos Giant Tortoise (1525 words)
The giant tortoise is probably the best known of all Galapagos animals and even gave the archipelago its name; 'Galapago' means tortoise in Spanish and may derive from the word for saddle, referring to the distinctive saddle-like shell of some of the tortoises.
As the hunters found it easier to collect the tortoises living round the coastal zones, the healthiest populations today tend to be those in the highlands.
The tortoises' behaviour may also have been a factor in the evolution of shell size and shape; when two males meet, especially at mating time, they will rise up on their legs and stretch up their necks to assess who is dominant.
  More results at FactBites »



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