7 Klass Poragrof 14 Morskie Kishechnopolostnye 90%

: They exhibit radial (radial) symmetry , meaning their body parts are arranged around a central axis.

: They have a single gastrovascular cavity (gut) with one opening—the mouth —which serves for both ingestion and the removal of waste. 7 klass poragrof 14 morskie kishechnopolostnye

According to resources like the Pobio Study Guide and Obrazovaka , marine coelenterates are categorized into three groups: : They exhibit radial (radial) symmetry , meaning

: They are diploblastic (two-layered) animals consisting of an outer ectoderm and an inner endoderm , with a jelly-like layer called mesoglea in between. : They exhibit radial (radial) symmetry

Тип Кишечнополостные • Биология | Фоксфорд Учебник

: Their most defining feature is cnidocytes (stinging cells) , which contain a venomous capsule and a thread used for hunting and defense. The Three Main Classes