第1个回答 2016-05-14
外形特征
Aardvark is a mammal of South Africa and Central Africa. Length of 1 to 1.5 meters. Long ears, kiss such as pigs, long and sticky tongue. Jaws strong, good burrowing. Grassland and woodland habitat. Eating ants and termites. Night based. Also known as ant bear or pig.
Aardvark large anteater. Similar size kangaroo, but quite fat, body length of 90 to 140 cm, weight 50 to 60 kg; thick-skinned, red-brown or white, is sparse bristles; head long and narrow, tubular snout protrusion; thin tongue long, rich mucus, can be extended; ears grew thin, similar donkey ears; strong crude limbs, toe with powerful and sharp claws; cylindrical tail, tail muscle is developed, the crude base, tapering end, ca. 48 to 60 cm. Distributed in sub-Saharan East Africa to South Africa. Aardvark is a rare exotic animals, particularly distinctive teeth, when adult only seen two pairs of upper and lower premolars and three pairs of molars, canines and tooth nowhere. Teeth lifelong growth, internal teeth are all dentine. Most of the canal from the central issue of parallel tubular extension, so the chewing surface, appear as a polygonal tube assembly. Dentition teeth by one pair of lower bone plate and two pairs of an upper dental bone plates. Chew bone surface of each bone plate from localized portion composed of dentin, and dentin in turn, generally have the tooth surface of the bone plate column dentin composition. The dentin is used against Shells marine invertebrates.本回答被网友采纳