Animals are multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa). ... Vertebrates have a backbone or spine (vertebral column), and amount to less than five percent of all described animal species. They include fish, amphibians, reptiles, birds and mammals.
Turtles are reptiles of the order Testudines (or Chelonii) characterised by a special bony or cartilaginous shell developed from their ribs and acting as a shield. "Turtle" may refer to the order as a whole (American English) or to fresh-water and sea-dwelling testudines (British English).
Elephants are the largest land mammals on Earth. Two species ofelephant, the Asian elephant and African elephant, remain extant.Elephants are herbivores and prefer habitats that give them access to food and water. Both species consume as many as 300 pounds of food per day.
Seals are semiaquatic marine mammals. They have four flippers, so are in a category of animals known as pinnipedia which means 'fin-footed'. The pinnipeds group contains 3 families: phocidae, the earless or true seal (eg. common seal), otaridae, eared seals (eg. fur seals and sea lions) and odobenidae (walrus).
Cats commonly develop a condition called feline lower urinary tract disease, which is also called feline urologic syndrome. ... Feline lower urinary tract disease is caused by a buildup of crystals in the urine, which develop into a sludge that irritates the urinary tract.