Portal:Biology

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Biology is the science of life (from the Greek words bios = life and logos = word). It is concerned with the characteristics and behaviors of organisms, how species and individuals come into existence, and the interactions they have with each other and with their environment. Biology encompasses a broad spectrum of academic fields that are often viewed as independent disciplines. Together, they study life over a wide range of scales.

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The platypus (Ornithorhynchus anatinus) is a small, semi-aquatic mammal endemic to the eastern part of Australia, and one of the four extant monotremes, the only mammals that lay eggs instead of giving birth to live young (the other three are echidnas). It is the sole representative of its family (Ornithorhynchidae) and genus (Ornithorhynchus), though a number of fossilised relatives have been found, some of them also in the Ornithorhynchus genus.

Did you know... edit

...that the common mullein plant was burnt in France during celebrations on the second Sunday of Lent to protect against evil spirits and demons?

...that the epidermis of the mantle, an organ in mollusks, secretes the calcium carbonate that creates their shell?
...that Repenomamus may have been the largest mammal in the Cretaceous period and is the only mammal known to have eaten non-avian dinosaurs?
..that melasma is a skin hyperpigmentation commonly affecting pregnant women that is caused by the overproduction of melanin?
...that Albert Calmette developed "Calmette's Serum", the first antivenom developed against snake venom?
...that there are so many species of Murinae (Old World rats and mice) that it is said they are in the process of taking over the world, and humans just came along in the middle of it?

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An Amphiprion ocellaris fish swimming near an Heteractis magnifica anemone


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