Species estimates shown here are based on numbers described scientifically; much larger estimates have been calculated based on various means of prediction, and these can vary wildly. Other animals may have very specific feeding behaviours, such as hawksbill sea turtles which mainly eat sponges. In sponges, blastula larvae swim to a new location, attach to the seabed, and develop into a new sponge. Japan is the most successful Asian Rugby Union country and hosted the 2019 IRB Rugby World Cup. The country gained the hosting rights for the official Women’s Volleyball World Championship on five occasions, more than any other country.
The Reform began with land reform, based on Confucian ideas and philosophies from China. Japan first appears in written history in the Chinese Book of Han, completed in 111 AD, where it is described as having a hundred small kingdoms. The Japonic-speaking Yayoi people later entered the archipelago from the Korean Peninsula, intermingling with the Jōmon people. The old Malay name for Japan, Japang or Japun, was borrowed from a southern coastal Chinese dialect and encountered by Portuguese traders in Southeast Asia, who brought the word to Europe in the early 16th century. The name “Japan” is based on Min or Wu Chinese pronunciations of 日本 and was introduced to European languages through early trade.
It is thought to be one of the earliest predators, catching small prey with its nematocysts as modern cnidarians do. The apparent suddenness of the event may however be an artefact of the fossil record, rather than showing that all these animals appeared simultaneously. The first body fossils of animals appear in the Ediacaran, represented by forms such as Charnia and Spriggina.
Crappie Fish
Japan is an ethnically and culturally homogeneous society, with the Japanese people forming 97.4% of the country’s population. On April 1, 2019, Japan enacted its revised immigration law, protecting the rights of foreign workers to help reduce labor shortages in certain sectors. The country has therefore aimed to diversify its sources and maintain high levels of energy efficiency. The high-speed Shinkansen (bullet trains) that connect major cities are known for their safety and punctuality. The explorer entered a lunar orbit on October 4, 2007, and was deliberately crashed into the Moon on June 11, 2009. Japan’s plans in space exploration include building a Moon base and landing astronauts by 2030.
Law enforcement
Kumi-daiko (ensemble drumming) was developed in post-war Japan and became very popular in North America. The popular folk music, with the guitar-like shamisen, dates from the 16th century. The Tale of the Bamboo Cutter is considered the oldest extant Japanese narrative.
- The resignation of the shōgun led to the Boshin War and the establishment of a centralized state nominally unified under the emperor (the Meiji Restoration).
- It spent 1.4% of its total GDP on its defense budget and maintained the tenth-largest military budget in the world in 2025.
- Other minority religions include Hinduism, Judaism, and Baháʼí Faith, as well as the animist beliefs of the Ainu.
- Japan has the lowest rate of heart disease in the OECD, and the lowest level of dementia among developed countries.
- It consists of a lower House of Representatives with 465 seats, elected by popular vote every four years or when dissolved, and an upper Senate with 248 seats, whose popularly elected members serve six-year terms.
In 1874, Ernst Haeckel divided the animal kingdom into the multicellular Metazoa (now synonymous with Animalia) and the Protozoa, single-celled organisms no longer considered animals. The animal kingdom is divided into five major clades, namely Porifera, Ctenophora, Placozoa, Cnidaria and Bilateria. Animals consume organic material, breathe oxygen, have muscle cells, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development.
The scarab beetle was sacred in ancient Egypt, and the cow is sacred in Hinduism. People have used hunting dogs to help chase down and retrieve animals, and birds of prey to catch birds and mammals, while tethered cormorants have been used to catch fish. The protostomes include the Ecdysozoa, named after their shared trait of ecdysis, growth by moulting, Among the largest ecdysozoan phyla are the arthropods and the nematodes. The remaining animals, the great majority—comprising some 29 phyla and over a million species—form the Bilateria clade, which have a bilaterally symmetric body plan.
Numbers and habitats of major phyla
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Animals such as the fruit fly Drosophila melanogaster serve a major role in science as experimental models. Working animals including cattle and horses have been used for work and transport from the first days of agriculture. The human population exploits a large number of other animal species for food, both of domesticated livestock species in animal husbandry and, mainly at sea, by hunting wild species. Since then, the last four have all been subsumed into a single phylum, the Chordata, while his Insecta (which included the crustaceans and arachnids) and Vermes have been renamed or broken up.
Animals that eat both plants and meat are called omnivores. Other animals eat only meat and are called carnivores. Some animals eat only plants; they are called herbivores. The animal mode of nutrition is called heterotrophic because they get their food from other living organisms. Also, the cells of animals have different cell membranes to other eukaryotes like plants and fungi.
- Major animal paintings include Albrecht Dürer’s 1515 The Rhinoceros, and George Stubbs’s c.
- The deployment of troops to Iraq and Afghanistan marked the first overseas use of Japan’s military since World War II.
- The Japan Aerospace Exploration Agency is Japan’s national space agency; it conducts space, planetary, and aviation research, and leads development of rockets and satellites.
- The Zen school of Buddhism was introduced from China in the Kamakura period (1185–1333) and became popular among the samurai class.
- More recent major quakes are the 1995 Great Hanshin earthquake and the 2011 Tōhoku earthquake, which triggered a large tsunami.
- The Porifera (sponges) have long been assumed to be sister to the rest of the animals, but there is evidence that the Ctenophora may be in that position.
This Hugely Popular Breed Lives Far Fewer Years Than Most Owners Realize
The country attracted 36.9 million international tourists in 2024, and was ranked eleventh in the world in 2019 for inbound tourism. Other human rights issues include the treatment of marginalized groups, such as ethnic minorities, refugees and asylum seekers. However, it lacks any laws against discrimination based on race, ethnicity, religion, sexual orientation, or gender identity and does not have a national human rights institution. Japan’s constitution basswin prohibits racial and religious discrimination, and the country is a signatory to numerous international human rights treaties. The military is governed by the Ministry of Defense, and primarily consists of the Japan Ground Self-Defense Force, the Japan Maritime Self-Defense Force, and the Japan Air Self-Defense Force. It spent 1.4% of its total GDP on its defense budget and maintained the tenth-largest military budget in the world in 2025.
