Viviparous - a method of reproduction in which the embryo develops inside the body of the female from which it gains nourishment oviparous - a method of reproduction in which eggs are laid, with little or no other embryonic development within the mother. 1 kingdom animalia: phyla porifera and cnidaria essential question(s): what are key characteristics to the animal kingdom objectives: 1 students will be able to distinguish essential characteristics in the animal kingdom. Porifera (pōrĭf´ərə) [lat,=pore bearer], animal phylum consisting of the organisms commonly called spongesit is the only phylum of the animal subkingdom parazoa and represents the least evolutionarily advanced group of the animal kingdom.
Porifera are typically marine, sessile animals with a most unusual body that is porous this is our first group of metazoans (=animals) - criteria based on. Minimizing the most challenging wastes with high efficiency porifera's innovation may be the most important our industry has seen in the past 75 years - fortune 500 customer. 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 latin (a pore is a tiny hole.
Alemannisch: schwimm বাংলা: পরিফেরা беларуская: губкі català: esponges, porífers čeština: houbovci corsu: spunghe. Introduction sponges (phylum porifera) are an exclusively aquatic and, with a few exceptions (vacelet and boury-esnault 1995), a filter-feeding group of animals. What is porifera students develop academic skills not just inside a classroom but beyond it this is why when a potential academic issue in biology's porifera phylum arises, students should rather look outside classrooms for reliable help. The wpd, the world database of all recent sponges ever described, is part of the world register of marine species (worms), a global initiative to arrive at a register of all marine organisms.
Sponges, the members of the phylum porifera (/ p ɒ ˈ r ɪ f ər ə / meaning pore bearer), are a basal metazoa (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. Related wordssynonymslegend: switch to new thesaurus noun 1 porifera - coextensive with the subkingdom parazoa: sponges phylum porifera parazoa, subkingdom parazoa - multicellular organisms having less-specialized cells than in the metazoa comprises the single phylum porifera parazoan, poriferan, sponge - primitive multicellular marine animal whose porous body is supported by a fibrous. 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. 2014), the [alpha]-ca family divides into an early branching and monophyletic poriferan clade in addition to two [alpha]-ca secondary clades.
Poriferan definition, any animal of the phylum porifera, comprising the sponges see more. The sponges a phylum of the metazoa, comprising a group of sessile, aquatic animals possessing an endoskeleton and many branching canals, lined by flagellated collar cells communication of the canals with the surface is made through many pores or through larger openings and oscula. Poriferans are commonly referred to as sponges an early branching event in the history of animals separated the sponges from other metazoansas one would expect based on their phylogenetic position, fossil sponges are among the oldest known animal fossils, dating from the late precambrian. Porifera (pōrĭf`ərə) [lat,=pore bearer], animal phylum consisting of the organisms commonly called sponges sponge, common name for members of the aquatic animal phylum porifera, and for the dried, processed skeletons of certain species used to hold water. : a phylum of primitive invertebrate animals comprising the sponges and having a cellular grade of construction without true tissue or organ formation but with the body.
This lesson is on poriferans, stationary animals of the sea from the phylum porifera in this lesson, we'll go over the three types of poriferans and look at an example of each type, then you can. Porifera life cycle the life cycle of a sponge is a relatively simple one sponges can reproduce sexually and asexually there are many sponge species in which each sponge is considered male and female. Introduction to phylum porifera the phylum porifera comprises the spongessponges are simple invertebrate animals that live in aquatic habitats although the majority of sponges are marine, some species live in freshwater lakes and streams. The body of a sponge is a collection of a few different types of cells loosely arranged in a gelatinous matrix called a 'mesohyl', mesoglea or mesenchyme.
Porifera definition, an animal phylum comprising the sponges see more.