Animal - Wikipedia
WEBOver 1.5 million living animal species have been described, of which around 1.05 million are insects, over 85,000 are molluscs, and around 65,000 are vertebrates. It has been estimated there are as many as 7.77 million animal species on Earth. Animal body lengths range from 8.5 μm (0.00033 in) to 33.6 m (110 ft).
Animal - Simple English Wikipedia, the free encyclopedia
WEBAnimals (or Metazoa) are living creatures with many cells. Animals get their energy from other living things. Usually, they eat them or are parasites. Animals, plants, fungi, and some other living things have complex cells, so they are grouped together as eukaryotes . The study of animals is called zoology.
Portal:Animals - Wikipedia
WEBPortal:Zoology. Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development.
Kingdom (biology) - Wikipedia
WEBIntermediate minor rankings are not shown. In biology, a kingdom is the second highest taxonomic rank, just below domain. Kingdoms are divided into smaller groups called phyla. Traditionally, some textbooks from the United States and Canada used a system of six kingdoms ( Animalia, Plantae, Fungi, Protista, Archaea /Archaebacteria, and Bacteria ...
List of animal classes - Wikipedia
WEBThe following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla. For example, Protura, Diplura, and Collembola are often considered to be the three orders in the class Entognatha.
Mammal - Simple English Wikipedia, the free encyclopedia
WEBTaxonomy. Standardized textbook classification. List of living orders. Debate on the meaning of "mammalia" Gallery. Related pages. References. Mammals are in the class Mammalia. They are a group of vertebrate animals. [3] . They have fur or hair and very precise temperature regulation .
Animal | Definition, Types, & Facts | Britannica
WEBMar 26, 2024 · animal, (kingdom Animalia), any of a group of multicellular eukaryotic organisms (i.e., as distinct from bacteria, their deoxyribonucleic acid, or DNA, is contained in a membrane-bound nucleus). They are thought to have evolved independently from the unicellular eukaryotes.
ADW: Animalia: INFORMATION
WEBAnimalia. animals. By Phil Myers. All animals are members of the Kingdom Animalia, also called Metazoa. This Kingdom does not contain prokaryotes (Kingdom Monera, includes bacteria, blue-green algae) or protists (Kingdom …
Animalia | Encyclopedia.com
WEBMay 18, 2018 · Plants and Animals. Zoology and Veterinary Medicine. Zoology: General. Animalia. views 3,979,685 updated May 18 2018. Animalia. The kingdom Animalia, or Metazoa, includes all animals. Animals are multicellular, eukaryotic organisms, which are heterotrophic, meaning they obtain nutrition from organic sources.
Kingdom (biology) - Simple English Wikipedia, the free …
WEBAnimalia – all animals, including people. See List of animal phyla. Chromoalveolata – plastids containing chlorophyll. Overview. The kingdom-level classification of life is still widely employed as a useful way of grouping organisms. Sometimes entries in the table, which are next to each other, do not match perfectly.
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