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 mountains of the Chūgoku and Shikoku regions shelter the Seto Inland Sea from seasonal winds, bringing mild weather year-round.
- The Japanese language is Japan’s de facto national language and the primary written and spoken language of most people in the country.
- 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.
- Selective pressures imposed on one another lead to an evolutionary arms race between predator and prey, resulting in various antagonistic/competitive coevolutions.
- 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.
- From the 12th century, actual power was held by military aristocrats known as shōgun and feudal lords called daimyō, enforced by warrior nobility named samurai.
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.
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 country has produced twenty-two Nobel laureates in either physics, chemistry or medicine, and three Fields medalists. Japan has the second highest number of researchers in science and technology per capita in the world with 14 per 1000 employees. Relative to gross domestic product, Japan’s research and development budget is the sixth or seventh highest in the world, with 907,400 researchers sharing a 22-trillion-yen research and development budget as of 2023update. However, Japan’s video game sector remains a major industry; in 2014, Japan’s consumer video game market grossed $9.6 billion, with $5.8 billion coming from mobile gaming.
- The Japonic-speaking Yayoi people later entered the archipelago from the Korean Peninsula, intermingling with the Jōmon people.
- Japanese Sign Language is the primary sign language used in Japan and has gained some official recognition, but its usage has been historically hindered by discriminatory policies and a lack of educational support.
- As the host and signatory of the 1997 Kyoto Protocol, Japan is under treaty obligation to reduce its carbon dioxide emissions and to take other steps to curb climate change.
- It is thought to be one of the earliest predators, catching small prey with its nematocysts as modern cnidarians do.
- Development in Bilateria and Cnidaria is controlled by Hox genes, which signal the times and places to develop structures such as body segments and limbs.
- Animals, plants, fungi, and some other living things have complex cells, so they are grouped together as eukaryotes.
Numbers and habitats of major phyla
Since 1973, all elderly persons have been covered by government-sponsored insurance. People without insurance through employers can participate in a national health insurance program administered by local governments. Payment for personal medical services is offered through a universal health insurance system that provides relative equality of access, with fees set by a government committee. Other minority religions include Hinduism, Judaism, and Baháʼí Faith, as well as the animist beliefs of the Ainu. Throughout the latest century, Western customs originally related to Christianity, including Western style weddings, Valentine’s Day and Christmas, have become popular as secular customs among many Japanese.
The country hosted the official 2006 Basketball World Championship and co-hosted the 2023 Basketball World Championship. Super GT is the most popular national racing series in Japan, while Super Formula is the top-level domestic open-wheel series. Green tea is produced in Japan and prepared in forms such as matcha, used in the Japanese tea ceremony.
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Spinner Shark
The Ryukyu Islands, which include Okinawa, are a chain to the south of Kyushu. The country’s five main islands, from north to south, are Hokkaido, Honshu, Shikoku, Kyushu and Okinawa. On March 11, 2011, Japan suffered the Tōhoku earthquake—the largest by magnitude in its recorded history—which, along with the ensuing tsunami, triggered the Fukushima nuclear accident. The war cost Japan millions of lives and many of its conquered territories, including de jure parts of Japan such as Korea, Taiwan, Karafuto, and the Kurils.
Spinner Shark
The characters 日本 mean ‘sun origin’, which is the source of the popular Western epithet “Land of the Rising Sun”. Nihon is typically used in everyday speech and reflects shifts in Japanese phonology during the Edo period. Nippon, the original Sino-Japanese reading of the characters, is favored for official uses, including on Japanese banknotes and postage stamps. Before 日本 was adopted in the early 8th century, the country was known in China as Wa (倭, changed in Japan around 757 to 和) and in Japan by the endonym Yamato.
Most animals rely on biomass and bioenergy produced by plants and phytoplanktons (collectively called producers) through photosynthesis. Selective pressures imposed on one another lead to an evolutionary arms race between predator and prey, resulting in various antagonistic/competitive coevolutions. In carnivorous or omnivorous species, predation is a consumer–resource interaction where the predator feeds on another organism, its prey, who often evolves anti-predator adaptations to avoid being fed upon. These fuse to form zygotes, which develop via mitosis into a hollow sphere, called a blastula.
The Jinshin War of 672, a bloody conflict between Prince Ōama and his nephew Prince Ōtomo, became a major catalyst for further administrative reforms. The basswin true aim of the reforms was to bring about greater centralization and to enhance the power of the imperial court, which was also based on the governmental structure of China. It nationalized all land in Japan, to be distributed equally among cultivators, and ordered the compilation of a household registry as the basis for a new system of taxation.