ecology

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11.2000 *Yukatayamashirogumo* (a type of spider), female, adult. animal

The rare spider *Euphyllia japonica*, which preys on its victims by spinning silk from its mouth, can be found in your home!

When you imagine a spider, how do you picture it producing silk? A common misconception is that it produces silk from its mouth. In reality, spiders have organs called "spinnerets" on their abdomen from which they produce silk. Spiders typically don't produce silk from their mouths...
2022.05.26
animal
Posts 1464 Featured Image Yamakawa World History App Review history

The "Yamakawa World History Q&A" app is incredibly convenient because you can memorize anytime, anywhere! It's a new era of studying.

Hello everyone, did you know that there's an app called "Yamakawa One-Question-One-Answer World History" that contains all the questions from the book "Yamakawa One-Question-One-Answer World History"? Yamakawa One-Question-One-Answer World History Developer: Imagineer Co.,Ltd. ¥610 posted with AppReach Recently I've been using this...
2022.05.23
history
07.3875 Sunflower (whole) plant

What are the differences between sunflowers, dwarf sunflowers, and white sunflowers? We'll explain how to distinguish between similar varieties! Is it a myth that sunflowers face the sun? Why are they the national flowers of Russia and Ukraine?

Sunflowers are said to face the sun, giving them a cheerful and bright image, and they are now very familiar plants in Japan. Originally from North America, there are many species, but the types of sunflowers found in Japan are limited, mostly consisting of the common sunflower, dwarf sunflower, and dusty sunflower. Humans and sunflowers...
2022.05.10
plant
07.1894 Paper mulberry (male flower) plant

What are the differences between *Broussonetia papyrifera* and *Broussonetia kozoa*? Do *Broussonetia papyrifera* flowers burst open? What is the history of *Broussonetia papyrifera*? Are its fruits edible?

Both *Broussonetia papyrifera* and *Broussonetia erythrorhizon* have been used as paper since ancient times, and *Broussonetia papyrifera* can still be found in familiar green spaces today. However, some literature suggests that the distinction between these two species is not very clear, and they have historically been confused with each other. However...
2022.05.04
plant
07.3273 Lithospermum erythrorhizon flower plant

What are the differences between *Lithospermum erythrorhizon* and *Lithospermum erythrorhizon*? We explain how to distinguish between similar species! Do the flowers have a secret that allows them to be pollinated even in the shade?

While *Lithospermum erythrorhizon* and *Lithospermum erythrorhizon* have similar names and may be confused, there is a significant difference: *Lithospermum erythrorhizon* is a native species, while *Lithospermum erythrorhizon* is a cultivated variety. The shape of the leaves and flowers are also distinctly different. *Lithospermum erythrorhizon*...
2022.04.27
plant
07.0442 Bletilla striata flower plant

What species resembles the Bletilla striata (purple orchid)? Recent research has revealed that the flowers not only deceive bees, but also utilize male bees for courtship!

Bletilla striata is a perennial plant naturally distributed from Honshu to Okinawa in Japan, but wild specimens are classified as near-threatened. On the other hand, it's also a popular ornamental plant, and can be seen in almost every town. While it was once thought that the wild population in Japan consisted of escaped cultivated plants, it is now believed that the wild population is...
2022.04.26
plant
Wasp Captured by Wizard animal

Research has revealed that "intraguild predation" occurs universally between spiders and wasps, potentially contributing to ecosystem stability! [Press Release]

In the "Ecological Information" section, at the request of the lead author, Mr. Daisuke Noguchi, I assisted with the introduction, discussion, and literature review on a paid basis. This research revealed that intraguild predation between spiders and wasps occurs universally, and that there is a possibility of "symmetrical intraguild predation" between spiders and wasps...
2022.03.31
animalecosystem
07.0149 Japanese evergreen oak (Quercus acutissima) flower trimming plant

What are the differences between *Neolitsea sericea* and *Quercus acuta*? We'll explain how to distinguish between these similar species! What are their uses? Does the difference in flower color affect their ecology?

Both *Neolitsea sericea* and *Quercus acuta* are evergreen trees belonging to the *Neolitsea* genus that are naturally distributed in Japan. Therefore, you may often see them in the wild, but their leaves are very similar in shape, which can lead to confusion. However, you can reliably distinguish them by examining the whiteness of the underside of the leaves and the color of their fruits...
2022.03.19
plant
Viola Chaerophylloides Var Sieboldiana Flower plant

What are the differences between Viola higoensis and Viola enzanensis? Both species skillfully utilize "open flowers" and "closed flowers" depending on the environment!

Viola higoensis and Viola enzanensis are members of the Viola genus that inhabit relatively natural areas. They differ significantly from other Viola species in their finely divided leaves, but their flower shapes are almost identical, making them somewhat difficult to distinguish. Morphologically, Viola higoensis has leaves divided into five lobes...
2022.02.25
plant
Camellia Sinensis Var Sinensis Flower plant

Why is black tea preferred over green tea in the UK? Are flies the only ones that visit tea plant flowers?

Tea plants contain essential nutrients like catechins and caffeine, making them an indispensable beverage in Japan, enjoyed both at home and on the go. As you may know, its origin lies in China, and it's a species not native to Japan. However, even in China, wild varieties haven't been confirmed, which is puzzling...
2022.02.21
plant
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