網頁The Evolution of the Coelom. One of the first steps in the classification of animals is to examine the animal’s body. One structure that is used in classification of animals is the body cavity or coelom. The body cavity develops within the mesoderm, so only triploblastic animals can have body cavities. 網頁Study with Quizlet and memorize flashcards containing terms like To what phylum do sponges belong? A) Eumetazoa B) Parazoa C) Porifera D) Calcarea E) Placozoa, How …

How does water move through a sponge? – Wise-Answer

網頁Animals are primarily classified according to morphological and developmental characteristics, such as a body plan. One of the most prominent features of the body plan of true animals is that they are morphologically symmetrical. This means that their distribution of body parts is balanced along an axis. Additional characteristics include the ... 網頁2012年6月18日 · How sponges feed? sponges feed through their pores or holes, their pores create a current pulling food into the central cavity of the sponge. the food sticks … the city too beautiful to burn

The central cavity of the sponge is also called - Competitive Exam …

網頁ANIMALS DIVERSITY ehb: animals animals can be characterized body plans animal species vary tremendously in morphology, but their great diversity in form can be Institutions Universitas Negeri Medan Politeknik Negeri Batam 網頁Spongocoel. A spongocoel ( / ˈspɒŋɡoʊˌsiːl / [1] ), also called paragaster (or paragastric cavity), is the large, central cavity of sponges. Water enters the spongocoel through … 網頁The outer layer is called the epidermis, whereas the inner layer is called the gastrodermis and lines the digestive cavity. Between these two layers is a non-living, jelly-like mesoglea . There are differentiated cell types in each tissue layer, such as nerve cells, enzyme-secreting cells, and nutrient-absorbing cells, as well as intercellular connections between … the city underground book