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What animal lineage does not have muscle and nervous tissue and is not a Sponge?
Placozoa
Are cnidarians protostomes or deuterostomes?
Although most of the animal phyla are included in the deuterostomes and protostomes, cnidaria, porifera, placozoa and ctenophora are not included in the group of animals know as Bilateria (which contains the deuterostomes and protostomes). Cnidarians and ctenophores are in a group called Radiata, and Porifera and Placozoa are in the group known as Parazoa.
What are the animal kingdom groups?
The animal kingdom is divided into five groups for classification purposes. They are called Ctenophora, Porifera, Placozoa, Cnidaria, and Bilateria.
Which of the 9 animal phyla use extra-cellular digestiona nd which use intra-cellular digestion?
actually seven of the 9 phyla use extracellular digestion. the two that are intracellular are porifera and placozoa
What phyla lack organs And what type of symmetry do they have?
Phyla such as Porifera (sponges) lack organs and have asymmetrical or no specific body symmetry. Another example is Placozoa, which also lack organs and have asymmetrical body shapes.
What is the smallest group of invertebrates?
The smallest group of invertebrates is the phylum Placozoa, which consists of a single known species, Trichoplax adhaerens. These simple, flattened organisms are composed of only a few cell layers and lack organs or distinct tissues.
Which phyla do not have cephalization?
Subregnum: ParazoaPhylum: PoriferaSubregnum: AgnotozoaSuperphylum: RadiataPhylum: BrachiopodaPhylum: BryozoaPhylum: DicyemidaPhylum: EntoproctaPhylum: Gastrotricha
What are the phylum in the kingdom animal?
Some phyla within the kingdom Animalia include Chordata, Arthropoda, Mollusca, Annelida, and Echinodermata. Each phylum represents a distinct group of organisms with specific characteristics and traits.
What kingdoms contain multicellular organisms?
Animals (the animal kingdom), by definition, are multicellular and heterotrophic. Animals cannot produce their own food. They feed on other organismal sources for their energy. They feed on plants or other animals. Thus be their definition of heterotrophic. All animals (whether Chordata, Echinodermata, Porifera, Placozoa, Annelida or Arthropoda) are all heterotrophic and all multicellular. Even tiny things like placozoans and rotifers are multicelled.Fungi cannot produce their own food either. Thus they may be called heterotrophic. They acquire their food by growing in it. Thus they acquire the label saprophytic as well. The fungal kingdom features both unicellular and multicellular organisms. Toadstools, mushrooms, bread mould, fruit mould and such are those that are multicellular.
What kingdoms contains heterotrophic organisms?
Animals (the animal kingdom), by definition, are multicellular and heterotrophic. Animals cannot produce their own food. They feed on other organismal sources for their energy. They feed on plants or other animals. Thus be their definition of heterotrophic. All animals (whether Chordata, Echinodermata, Porifera, Placozoa, Annelida or Arthropoda) are all heterotrophic and all multicellular. Even tiny things like placozoans and rotifers are multicelled.Fungi cannot produce their own food either. Thus they may be called heterotrophic. They acquire their food by growing in it. Thus they acquire the label saprophytic as well. The fungal kingdom features both unicellular and multicellular organisms. Toadstools, mushrooms, bread mould, fruit mould and such are those that are multicellular.
What are the different phyla of the animal kingdom?
here are some 10: Porifera Coelenterates Nematodes Annelids Mullusk Echinoderms Arachnids Chordata Platyhelminthes Joint Legged Animals By: RHenee
How many phylums are there in the animal kingdom?
Often there is a consensus of just over 30. Some 'splitter' taxonomists have higher estimates, with Edward O. Wilson suggesting 85. The ones that most people recognise include: Porifera Placozoa Cnidaria Ctenophora Nematomorpha Nemertea Nematoda Annelida Rotifera Platyhelminthes Cycliophora Gastrotricha Loricifera Hemichordata Sipuncula Priapulida (may have been demoted to a class) Entoprocta Ectoprocta Mollusca Arthropoda Urochordata Echinodermata Cephalochordata Chordata
