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Il y a 2 jours · Ascidians (Phylum: Chordata, Class: Ascidiacea), or sea squirts, are the largest and most diverse class of the sub-phylum Tunicata (also known as Urochordata). They comprise approximately 3000 described species found in all marine habitats from shallow water to the deep sea.
Il y a 4 jours · DESCRIPTION: Polar bears are the largest land carnivore. Adapted for the cold, polar bears have a thick fur coat that appears white in coloration, but is really translucent. Their black skin color is readily apparent on the nose, eyes, lips and footpads. In addition to their size and color, polar bears may also be distinguished from other bear ...
Il y a 1 jour · Crocodilia (or Crocodylia, both / krɒkəˈdɪliə /) is an order of mostly large, predatory, semiaquatic reptiles known as crocodilians. They first appeared 94 million years ago in the Late Cretaceous period ( Cenomanian stage) and are the closest living relatives of birds, as the two groups are the only known survivors of the Archosauria.
Il y a 1 jour · Frogs are valued as food by humans and also have many cultural roles in literature, symbolism and religion. They are also seen as environmental bellwethers, with declines in frog populations often viewed as early warning signs of environmental damage. Frog populations have declined significantly since the 1950s.
Il y a 1 jour · 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 ...
Il y a 5 jours · Phylum: Chordata. Class: Mammalia (Linnaeus, 1758) — mammals. Order: Monotremata (Bonaparte, 1837) — monotremes (egg-laying mammals) Family: Ornithorhynchidae (Gray, 1825 sensu Burnett, 1830) Genus: Ornithorhynchus (Blumenbach, 1800) Species: Ornithorhynchus anatinus (Shaw, 1799) – platypus, duck-billed platypus
Il y a 2 jours · Chelonia Ross and Macartney 1802. Turtles, or testudines, are reptiles of the order Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Cryptodira (hidden necked turtles), which differ in the way the head retracts.
