搜尋結果
Scleractinia, also called stony corals or hard corals, are marine animals in the phylum Cnidaria that build themselves a hard skeleton. The individual animals are known as polyps and have a cylindrical body crowned by an oral disc in which a mouth is fringed with tentacles. Although some species are solitary, most are colonial.
- Hexacorallia
- Scleractinia, Bourne, 1900
Great Barrier Reef - Wikipedia. Coordinates: 18°17′S 147°42′E. The Great Barrier Reef is the world's largest coral reef system, [1] [2] composed of over 2,900 individual reefs [3] and 900 islands stretching for over 2,300 kilometres (1,400 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi).
- 34,870,000 ha (86,200,000 acres)
- 1981 (5th Session)
- Natural: vii, viii, ix, x
- Off the east coast of the Queensland mainland, Australia
Haematococcus pluvialis is a freshwater species of Chlorophyta from the family Haematococcaceae. This species is well known for its high content of the strong antioxidant astaxanthin, which is important in aquaculture, and cosmetics. [1] .
A sample of food-grade diatomaceous earth Scanning electron micrograph of diatomaceous earth Diatomaceous earth (/ ˌ d aɪ. ə t ə ˈ m eɪ ʃ ə s / DY-ə-tə-MAY-shəs), diatomite (/ d aɪ ˈ æ t ə m aɪ t / dy-AT-ə-myte), celite or kieselgur/kieselguhr is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder.
The atoll of Tetiꞌaroa in French Polynesia. An atoll ( / ˈæt.ɒl, - ɔːl, - oʊl, əˈtɒl, - ˈtɔːl, - ˈtoʊl /) [1] is a ring-shaped island, including a coral rim that encircles a lagoon. There may be coral islands or cays on the rim. [2] [3] : 60 Atolls are located in warm tropical or subtropical parts of the oceans and seas where ...
The Pirate Bay allows users to search for Magnet links.These are used to reference resources available for download via peer-to-peer networks which, when opened in a BitTorrent client, begin downloading the desired content. Originally, The Pirate Bay allowed users to download BitTorrent files (torrents), small files that contain metadata necessary to download the data files from other users.
Tangut is a Unicode block containing characters from the Tangut script, which was used for writing the Tangut language spoken by the Tangut people in the Western Xia Empire, and in China during the Yuan dynasty and early Ming dynasty. Tangut characters do not have descriptive character names, but have names derived algorithmically from their ...