Abstract
Ushbu maqolada umurtqasiz hayvon mshankalarning hayot kechirishi, ularning tuzilishi va ahamiyati haqida ma’lumotlar keltirilgan. Mshankalar sodda tuzilgan hayvonlardan biri bo‘lib ular dengizlarda, ba’zan chuchuk suvlarda hayot kechiradigan koloniyali hayvonlardir. Mazkur maqolada ushbu turning morfologik xususiyatlari haqida so‘z boradi.
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