Sponges are a diverse group of sometimes common types, with about 5000 species known across the world. Sponges are primarily marine, but around 150 species live in fresh water. Sponges have cellular-level organization, meaning that that their cells...
Sponges are the basalmost clade of animals of the phylum Porifera (/pɒˈrɪfərə/;
meaning "pore bearer". They are multicellular parazoan organisms that have ...
The approximately 5,000 living sponge species are classified in the phylum
Porifera, which is composed of three distinct groups, the Hexactinellida (glass ...
An introduction to the biology, classification and ecology of sponges, the phylum
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 ...
Sponges are a diverse group of sometimes common types, with about 5000
species known across the world. Sponges are primarily marine, but around 150 ...
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...
THE PHYLUM PORIFERA. THE SPONGES. INTRODUCTION. Sponges are
among the most unusual animals. because of lifestyle and appearance originally
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. Sponges are filter-feeders composed of flagellated
cells reinforced by spongin fiber and (usually) tiny structural rods called spicules.