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What is the Animalia kingdom?
What is the animal kingdom?
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4.1 BASIS OF CLASSIFICATION. Inspite of differences in structure and form of different animals, there are fundamental features common to various individuals in relation to the arrangement of cells, body symmetry, nature of coelom, patterns of digestive, circulatory or reproductive systems.
- Phylum Porifera
- Phylum Coelenterata
- Phylum Platyhelminthes
- Phylum Nematoda
- Phylum Annelida
- Phylum Arthropoda
- Phylum Mollusca
- Phylum Echinodermata
- Phylum Hemichordata
- Phylum Chordata
Porifera means organisms with holes. They are commonly known as Sponges. Features of the poriferan are: 1. Non-motile, multicellular organisms with a hard outer skeleton. 2. Have a porous body. 3. Pores on the bodies create a canal system which helps in the circulation of substances. 4. Not differentiated into head and tail; do not have a well-deve...
The term Coelenteratais derived from the Greek word “kilos” which means hollow-bellied. Their features are: 1. Have a hollow body cavity. 2. The body is differentiated into two ends. 3. Includes all aquatic animals. 4. The body is made of two layers of cells: inner and outer linings. 5. Live in colonies (corals) as well as solitary (Sea anemone). E...
Platyhelminthes are commonly known as flatworms. Their features are: 1. Dorsoventrally flattened body. 2. Complex and have differentiated body structure. 3. Tissues are differentiated from three layers of cells and are triploblastic. 4. Do not have a true internal cavity or coelom. 5. Have bilateral symmetry. 6. Either free-living (Planaria) or par...
Phylum Nematoda consists of nematodes or roundworms. Their features are: 1. Nematodes have a cylindrical body. 2. Bilaterally symmetrical and triploblastic. 3. Have pseudocoelom, a false body cavity. 4. Parasitic and causes diseases such as elephantiasis, ascariasis. Examples of phylum Nematoda include – Ascaris, Wuchereria.
Annelids are commonly known as segmented or ringed worms. They have the following features: 1. Have a segmented cylindrical body. 2. The body is differentiated into head and tail. 3. Bilaterally symmetrical and triploblastic. 4. Have a true body cavity. 5. Habitat: marine, freshwater and land. Examples of phylum Annelida include – Earthworm, Leech.
Arthropod means jointed legs. Animals which have jointed appendages belong to this phylum. This is the largest phylum in the animal kingdom. Other features are: 1. They are bilaterally symmetrical. 2. Have jointed appendages, exoskeleton and a segmented body. 3. Have well-differentiated organ and organ system. 4. Have an open circulatory system, bu...
Phylum Mollusca consists of a large group of animals. Features are: 1. Bilaterally symmetrical and triploblastic. 2. Less segmented body. 3. Well-developed organ and organ system. 4. Typically, open circulatory system. 5. Limbs are present. Examples of phylum Mollusca include- Snails and octopus.
The term Echinodermata is derived from the Greek words, echinos meaning hedgehog and dermameaning skin. Thus, echinoderms are spiny-skinned animals. 1. Radial symmetry and triploblastic. 2. Have true coelom. 3. Have hard calcium carbonate skeleton structure. 4. Free-living marine animals. Examples of phylum Echinodermata include- Sea urchins, starf...
The characteristics of phylum Hemichordata are as follows: 1. The body is soft, fragile, and divided into a proboscis. 2. The epidermis is single-layered. 3. It comprises worm-like marine animals with an organ-system level of organization. 4. They have an open circulatory system. 5. They respire through gills since they are marine. 6. They have sep...
The Chordates possess the following characteristics: 1. They are bilaterally symmetrical, triploblastic with an organ-system level of classification. 2. They possess a notochord and a nerve cord. 3. The circulatory system is closed type. Phylum Chordata can be divided into the following sub-phyla: 1. Urochordata 2. Cephalochordata 3. Vertebrata Als...
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Class-7, ICSE, Biology, kingdom Animalia full chapterWhat are the 9 Phylums in kingdom Animalia?What are the 4 types of animals?Who is the father of taxonomy...
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Jul 12, 2022 · Kingdom Animalia is a taxonomic kingdom of living and extinct animals. Members of this kingdom are characterized by being eukaryotic, multicellular, heterotrophic, lacking a cell wall, and mostly are motile.
The animalia kingdom consists of various multicellular eukaryotic animals. It is one of the kingdoms among the five kingdom scheme of classification (by Whittaker). What is the Basis of Classification?
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