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1. ôÃßµ¿¹° Ç¥ÇǼ±(epidermal gland)¿¡´Â ¾î¶°ÇÑ Á¾·ù°¡ Àִ°¡(3)?

2. ´Ü°ø·ùÀÇ À¯¼±Àº ( )ÀÇ º¯ÇüÀ̳ª, Áø¼ö·ùÀÇ À¯¼±Àº ( )ÀÇ º¯Çü ±¸Á¶ÀÌ´Ù. ÀÌ´Â ´Ü°ø·ùÀÇ À¯¼±Àº ( »ó, ¿µ¾î )À̳ª Áø¼ö·ùÀÇ °æ¿ì¿¡´Â ( »ó, ¿µ¾î )À¸·Î µÇ¾î Àֱ⠶§¹®ÀÌ´Ù(6).

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4. ´ÙÀ½À» ÇØ¼®ÇØ º¸½Ã¿À(°¢ 5Á¡).
There is usually an aquatic larval stage with external gills and neuromast organs that supplement other sense organs in informing them about their aqueous environment. At metamorphosis the gills are usually lost, even in aquatic species, although the latter usually retain neuromast organs. Amphibians for the first time develop a middle ear cavity, eardrum, and an ear ossicle, the columella. This sensory complex, not fully developed in all amphibians, replaces the piscine neuromast system by detecting sound waves transmitted in air and transmitting them to the membranous labyrinth inherited from fishes.

The pelvic girdle now articulates with two sacral vertebrae, providing a stouter brace for more powerful hind limbs. The digits are supplied with claws, and a new kidney, the metanephros, has come into existence as a modification of the amphibian kidney. The heart is partially or completely divided into right and left chambers, thereby separating the systemic and pulmonary circulations to an extent not achieved in anamniotes.

´ÙÀ½ÀÇ µÎ ¹®Á¦´Â µÞ¸éÀ» »ç¿ëÇÏ¿© ´äÇϽÿÀ.

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3. ôÃßµ¿¹° Á¶»óÀÇ ±â¿ø¿¡ ´ëÇÏ¿© ¼³¸íÇØ º¸½Ã¿À(5).

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2. ¾î·ù ÁøÇǸ°ÀÇ ÁøÈ­¸¦ ¼³¸íÇϽÿÀ(5).

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