asymmetry by Jeff hirst skyline.
Common Name: Sponges; Kingdom: Animalia; Phylum: Porifera; Classes:
Calcarea, ... People often think of sponges as plants, rather than being animals.
... Most are sponges are asymmetrical, though some of them exhibit radial
Porifera [Lat.,=pore bearer], animal phylum consisting of the organisms ...
Sponges lack organs and tissue, and all the cells exhibit considerable
independence. .... Most species are marine and can be found in all the oceans;
only 3 percent live ...
The invertebrates, or invertebrata, are animals that do not contain bony ...
Sponges are members of the Phylum Porifera, which contains the simplest
invertebrates. ... However, sponges exhibit a range of diversity in body forms,
including ... body plan and (b) some of the specialized cell types found in
sponges are shown.
An early branching event in the history of animals separated the sponges from ...
The approximately 5,000 living sponge species are classified in the phylum ...
Basic Facts listed for each phylum handily group organisms' taxonomy, structure,
and function, in a concise ... Phylum Porifera: Sponges, Simplest of Animals
The phylum, Porifera, does not contain true tissues and lacks complexity that
other animal organisms exhibit. However, they make up for this with their diverse
Organisms in phylum Cnidaria have stinging cells called nematocysts and exhibit
radial symmetry, a body form that radiates from a central disc. Cnidarians have ...
Phylum: Porifera (sponges) ... The Porifera (sponges) differ from other animals in
that they do not exhibit true tissue ... The class Hexactinellida or glass sponges,
primarily found in deep marine habitats, possesses spicules composed of silica.
The Phylum Porifera ... A sponge is a simple organism that is easy to describe. ...
years, and can now be found in all marine and many freshwater habitats.