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Vorticella was first described by Antonie van Leeuwenhoek in a letter dated October 9, 1676. Leeuwenhoek thought that Vorticella had two horns moving like horse ears near the oral part, which turned out to be oral cilia beating to create water flow. [4]
Skeletonema costatum is a cosmopolitan centric diatom that belongs to the genus Skeletonema. [1] It was first described by R. K. Greville, who originally named it Melosira costata, in 1866. [1]
Usnea is a genus of fruticose lichens in the large family Parmeliaceae.The genus, which currently contains roughly 130 species, was established by Michel Adanson in 1763. . Species in the genus grow like leafless mini-shrubs or tassels anchored on bark or
Euplectella is a genus of glass sponges which includes the well-known Venus' Flower Basket.Glass sponges have a skeleton [2] made up of silica spicules that can form geometric patterns.
Teleostei (/ ˌ t ɛ l i ˈ ɒ s t i aɪ /; Greek teleios "complete" + osteon "bone"), members of which are known as teleosts (/ ˈ t ɛ l i ɒ s t s, ˈ t iː l i-/), [4] is, by far, the largest group of ray-finned fishes (class Actinopterygii), [a] with 96% of all extant species of fish.
The abdominal cavity contains most organs of the digestive system, including the stomach, the small intestine, and the colon with its attached appendix.Other digestive organs are known as the accessory digestive organs and include the liver, its attached gallbladder, and the pancreas, and these communicate with the rest of the system via various ducts.
Placidium arboreum is a squamulose lichen with squamules that become green when wet.. A squamulose lichen is a lichen that is composed of small, often overlapping "scales" called squamules. [1]
Furcraea foetida (Giant Cabuya, Green-aloe or Mauritius-hemp) is a species of flowering plant native to the Caribbean and northern South America.It is widely cultivated and reportedly naturalized in many places (India, parts of Africa, Portugal, Australia, Thailand, Florida, New Zealand, and many oceanic islands).