Web13 Jan 2024 · Sponges are simple invertebrate animals that live in aquatic habitats. They belong to a family called Phylum Porifera, which are the lowest multicellular members of … Web1 Nov 2024 · An animal phylum (plural: phyla) is a high-level taxonomic group, describing a group of species sharing a phylogenetic relationship based on common ancestry. Animal …

Chapter 33 Flashcards Chegg.com

Sponges, the members of the phylum Porifera , are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells. Sponges have … See more The term sponge derives from the Ancient Greek word σπόγγος (spóngos 'sponge'). See more Sponges constitute the phylum Porifera, and have been defined as sessile metazoans (multicelled immobile animals) that have water … See more Cell types A sponge's body is hollow and is held in shape by the mesohyl, a jelly-like substance made mainly of collagen and reinforced by a dense network of fibers also made of collagen. The inner surface is covered with See more Taxonomy Linnaeus, who classified most kinds of sessile animals as belonging to the order Zoophyta in … See more Sponges are similar to other animals in that they are multicellular, heterotrophic, lack cell walls and produce sperm cells. Unlike other … See more Movement Although adult sponges are fundamentally sessile animals, some marine and freshwater species can move across the sea bed at speeds … See more Habitats Sponges are worldwide in their distribution, living in a wide range of ocean habitats, from the polar regions to the tropics. Most live in quiet, clear waters, because sediment stirred up by waves or currents would … See more WebWhen you think of the word 'sponge', you may not immediately think of animals. But the phylum Porifera (the 'pore bearers'), also known as sponges, is a group of porous animals that live... cornyn majority texas

Sponge - Taxonomic features and classification Britannica

WebIt's finally time to start diving into individual animal phyla! First up is Porifera. This includes all the sponges. These are funky looking organisms, almos... WebSponges: Phylum Porifera Phylum Porifera is a group of simple animals that includes the sponges. Porifera have no internal organs, nervous tissue, circulatory system, or digestive systems, making them the most primitive … Web30 Aug 2024 · a Relative abundances of phyla from SSU rRNA gene amplicon sequence data with ≥1% relative abundance in a sample.b Heatmap of OTUs with ≥1% relative abundance … cornyn nra