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Facts About the Phylum Porifera
Phylum Porifera, commonly referred to as sponges, come in a variety of colors, shapes and sizes. Sponges live in all types of water, such as in deep or shallow marine environments or freshwater, and are commonly found in mangroves, coral reefs and... More »
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Sponges, the members of the phylum Porifera are the sister of the ParaHoxozoa or Epitheliozoa with which they form a basal animal clade, the Parazoa.


The approximately 5,000 living sponge species are classified in the phylum Porifera, which is composed of three distinct groups, the Hexactinellida (glass ...


Sponges Sponges are considered the oldest animal group. They are multicellular but don't have tissues or organs The name porifera means 'pore bearer' in ...


Jan 11, 2016 ... In this lesson, we will explore the phylum Porifera and look at the organisms that make up the group. We will discuss their key features, body...


An introduction to the biology, classification and ecology of sponges, the phylum Porifera.


Sponges (phylum Porifera) are an exclusively aquatic and, with a few exceptions (Vacelet and Boury-Esnault 1995), a filter-feeding group of animals. The group ...


Phylum Porifera. Sponges lack true tissues, have no body symmetry, and are sessile; types are classified based on presence and composition of spicules.


PHYLUM PORIFERA. The Porifera are sponges. They are primarily marine animals. There are nine thousand species of sponges. There are following ...


Jul 15, 2017 ... Phylum Porifera. Date & Time : 18, September 2017 19:56. General Characteristics of Porifera. Poriferans are commonly called sponges.