International Biology Olympiad 2020
Sasebo City, Nagasaki, Japan
Date: July 3rd, 2020 (Fri) to July 11th, 2020 (Sat)
Venue: Nagasaki International University, Sasebo City, Nagasaki
Message from the IBO2020 Organizing Committee
I am very proud to announce that we are holding the IBO2020 competition in Sasebo, Nagasaki. Nagasaki is a historical and memorable place, as it is the last place that experienced an atomic bomb attack. Nagasaki is surrounded by a beautiful sea with hundreds of islands, where you can enjoy numerous marine organisms. Immersed in nature, we are sure that all the delegates will spend a wonderful time with friends from all over the world. We warmly welcome you all with some new challenges including an international group work activity. In addition, of course, you will enjoy our scientific tasks.
Looking forward to seeing you all in July 2020.
The 31st International Biology Olympiad 2020 Nagasaki, Japan
July 3rd, 2020 (Fri) to July 11th, 2020 (Sat) – 9 days
Nagasaki International University, Sasebo City, Nagasaki
After evaluating both practical and theoretical exams, students within approximately the top 10% scores will receive gold medals; the next 20% and 30% will respectively receive silver and bronze medals.
Secretariat of the 31st International Biology Olympiad 2020 Nagasaki, Japan
Kagurazaka 3-1, Shinjuku City, Tokyo 162-8601 JAPAN
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Japonica Species Guide
Introducing species with "japonica" in their names!
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Scolopendra subspinipes japonica
No.35 Type of Centipide
Scolopendra subspinipes japonica is a species of venomous predatorial centipede found across Southeast Asia and East Asia. A large species, it grows to lengths of 75-130 mm. It has 21 dark green body segments, a reddish-green head, and one pair of dark yellow legs per body segment. In Japan, it can be found in forests, grasslands, and residential areas on the islands of Honshu, Shikoku, and Kyushu. While it stays hidden during the day under rocks, leaves, or in homes, at night it hunts spiders, cockroaches, and crickets. Its venom is poisonous to humans and can cause pain and swelling.
No.04 Great Scented Liverwort
Conocephalum conicum is a type of liverwort, a non-vascular, non-flowering, spore-producing plant. It is distinguished amongst liverworts for its large size, growing large thalli (fleshy mats of undifferentiated vegetative tissue) between 3-15 cm long and 1-2 cm wide. The thalli are distinct in appearance, with dark green leathery surfaces that feature a hexagonal pattern that resembles snakeskin. This liverwort grows well in rocky environments with damp and shady conditions. It can be found across East Asia, North America, and Europe. When crushed, Conocephalum conicum can give off a spicy or mushroom-like odor.
No.25 Himegumo (Type of Cobweb Spider)
Nihonhimea japonica is a species of spider belonging to the family Theridiidae, the cobweb spiders. This family is very commonly encountered by humans and are among the most frequently found in homes.The himegumo is orange to light brown in color and is found in Korea, Taiwan, China, and throughout Japan. Like many others in the family Theridiidae, Nihonhimea japonica builds a complex cobweb above a dense flat “sheet” web. Insects are “knocked down” by the cobweb and land in the sticky sheet web, where the spider can capture it.
No.03 Japanese Royal Fern
Osmunda japonica is a species of fern known in Japan as “Zenmai.” Zenmai produces both fertile and non fertile fronds, which can grow up to 50 cm and one meter tall, respectively. Like others in the Osmunda genus, the fertile fronds of the Japanese Royal Fern contain spores that darken and give the appearance of “flowering.” The fern is native to Japan, China, Korea, Taiwan, and eastern Russia. The immature fronds of the fern sprout in a tall spiral and can be collected and eaten as a vegetable.