how many clades are there?
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Just like there are different types of families, there are different types of clades. The three major types are: monophyletic, paraphyletic and polyphyletic. Monophyletic refers to just one clade; meaning these terms are interchangeable.
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As nouns the difference between family and clade is that family is (countable) a father, mother and their sons and daughters; also called nuclear family while clade is (biology|systematics) a group of animals or other organisms derived from a common ancestor species.
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All the kingdoms of eukaryotes, including Protista (Protoctista), Fungi, Plantae and Animalia, are placed in the domain Eukarya. ... The book includes the three major domains which are in turn subdivided into numerous branches (clades). An oversimplified 3-domain system of classification is shown in the following table.
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More than 11,000 endemic plant species, including seven species of baobab tree, share the island with a vast variety of mammal, reptiles, amphibians, and others. From 1999 to 2010, scientists discovered 615 new species in Madagascar, including 41 mammals and 61 reptiles.
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THE PLIGHT OF ENDANGERED SPECIES: There are now 41,415 species on the IUCN Red List, and 16,306 of them are endangered species threatened with extinction. This is up from 16,118 last year. This includes both endangered animals and endangered plants.
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The major groups of living reptiles—the turtles (order Testudines), tuatara (order Rhynchocephalia [Sphenodontida]), lizards and snakes (order Squamata), and crocodiles (order Crocodylia, or Crocodilia)—account for over 8,700 species.
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Whittaker proposed the five kingdom classification. The five kingdom classification are- Monera, Protista, Fungi, Plantae and Animalia.
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['The Protists. Protists are one-celled eukaryotes. ... ', 'The Fungi. Fungi can have one cell or many cells. ... ', 'The Plants. All of the roughly 250,000 species of plants -- from simple mosses to complex flowering plants -- belong to the eukaryotes. ... ', 'The Animals.']
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There are about 2,942 still surviving (extant) damselfly species in 309 genera in 27 families worldwide. In North America north of Mexico there are 136 species in 22 genera in 5 families. In the Upper Midwest (Minnesota, Wisconsin, and Michigan) there are 46 species in 3 families.
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Over 7,000 species around the world are considered endangered. That number doesn't even include the plants, animals, and other life-forms that are listed by some scientists as vulnerable, critically endangered, or extinct in the wild—all rankings that mean a species is inching closer and closer to ill-fated extinction.
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The Great Barrier Reef is home to more than 1,500 species of fish, 411 types of hard coral, one-third of the world's soft corals, 134 species of sharks and rays, six of the world's seven species of threatened marine turtles, and more than 30 species of marine mammals, including the vulnerable dugong.
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The evolution of spiders has been going on for at least 380 million years, since the first true spiders (thin-waisted arachnids) evolved from crab-like chelicerate ancestors. More than 45,000 extant species have been described, organised taxonomically in 3,958 genera and 114 families.
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A clade (/kleɪd/; from Ancient Greek: κλάδος, klados, "branch"), also known as a monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants. Rather than the English term, the equivalent Latin term cladus (plural cladi) is often used in taxonomical literature.
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It contains one in 10 known species on Earth, 40,000 plant species, 3,000 freshwater fish species, and more than 370 types of reptiles. Over 2,000 new species of plants and vertebrates, including a monkey that purrs like a cat, have been described since 1999. 2. How many countries does the Amazon span?
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As nouns the difference between clade and taxon is that clade is (biology|systematics) a group of animals or other organisms derived from a common ancestor species while taxon is (taxonomy) any of the taxonomic categories such as phylum or subspecies.
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Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity. Genetic diversity is all the different genes contained in all individual plants, animals, fungi, and microorganisms.
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A clade (/kleɪd/; from Ancient Greek: κλάδος, klados, "branch"), also known as a monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants.