Sponge - Wikipedia
WEBSponges (also known as sea sponges ), the members of the phylum Porifera ( / pəˈrɪfərə /; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts.
Sponge | Definition, Features, Reproduction, & Facts | Britannica
WEBApr 9, 2024 · sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera. They number approximately 5,000 described species and inhabit all seas, where they occur attached to surfaces from the intertidal zone to depths of 8,500 metres (29,000 feet) or more.
Sponge Definition & Meaning - Merriam-Webster
WEBThe meaning of SPONGE is an elastic porous mass of interlacing horny fibers that forms the internal skeleton of various marine animals (phylum Porifera) and is able when wetted to absorb water. How to use sponge in a sentence. Synonym Discussion of Sponge.
What is a sponge? - NOAA's National Ocean Service
WEBSponges are very simple creatures with no tissues. All corals require saltwater to survive. While most sponges are found in the ocean, numerous species are also found in fresh water and estuaries. Regardless of these differences, sponges are important inhabitants of coral reef ecosystems.
Sponge Animal Facts | Demospongiae - A-Z Animals
WEBNov 3, 2009 · View all of the Sponge images! Find your favorite Animals! Share on: Sponges are one of the simplest, and perhaps oldest, animals on the entire planet. They are marine animals that are easily mistaken for plant life due to their lack of nervous system, internal organs, and mobility.
ADW: Porifera: INFORMATION
WEBsponges. 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 are specialized so that different cells perform different functions, but similar cells ...
Sponge - Anatomy, Filtering, Reproduction | Britannica
WEBSponge - Anatomy, Filtering, Reproduction: Sponges are unusual animals that lack definite organs to carry out their various functions. The most important structure is the water-current system, which includes the pores (ostia), the choanocytes (collar cells), and the oscula.
Characteristics and life cycle of sponges | Britannica
WEBsponge, Any of some 5,000 species (phylum Porifera) of permanently affixed (sessile), mostly marine, solitary or colonial invertebrates, found from shallow to deep (more than 30,000 ft, or 9,000 m) waters. Simple sponges are hollow cylinders with a large opening at the top through which water and wastes are expelled.
The Wonders of the Seas: Sponges - Oceanic Research
WEBMar 11, 2014 · Diagram of a simple sponge. Although they may look plant-like, sponges are the simplest of multi-cellular animals. A sponge is a bottom-dwelling creature which attaches itself to something solid in a place where it can, hopefully, receive enough food to grow. The scientific term for sponges is Porifera which literally means "pore-bearing."
Facts About Sponges (Porifera) - ThoughtCo
WEBFeb 9, 2019 · By. Laura Klappenbach. Updated on February 09, 2019. Sponges (Porifera) are a group of animals that includes about 10,000 living species. Members of this group include glass sponges, demosponges, and calcareous sponges. Adult sponges are sessile animals that live attached to hard rocky surfaces, shells, or submerged objects.
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