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8 hours ago · These organisms can be either free-living or parasitic, and they primarily feed on organic matter, including other microorganisms and organic debris. Historically, protozoa were classified as “one-celled animals” due to their animal-like characteristics, including motility and predation, as well as their lack of a rigid cell wall, which differentiates them from plants and many algae .
8 hours ago · Biological control or biocontrol is a method of controlling pests, whether pest animals such as insects and mites, weeds, or pathogens affecting animals or plants by using other organisms. [ 1 ] It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also involves an active human management role.
1 day ago · Prochlorococcus, an influential marine cyanobacterium which produces much of the world's oxygen. Cyanobacteria are globally widespread photosynthetic prokaryotes and are major contributors to global biogeochemical cycles. [ 25 ] They are the only oxygenic photosynthetic prokaryotes, and prosper in diverse and extreme habitats. [ 26 ]
8 hours ago · The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [ 3 ] the smallest marine mammals. Unlike most marine mammals, the sea otter's primary ...
8 hours ago · pl. adelphiae A bundle or structure of stamens forming one unit in an adelphous flower; for example, the stamen tube around the pistil of Hibiscus. adelphous Having organs, particularly filament s such as stamen s, connected into one or more adelphiae, whether in the form of bunches or tubes, such as is commonly seen in families such as Malvaceae. Usage of the term is not consistent; some authors include closely bunched filaments, while others include only adelphiae in which filaments are ...
1 day ago · Charles II of Spain [a] (6 November 1661 – 1 November 1700), also known as El Hechizado, or the Bewitched, was King of Spain from 1665 to 1700. The last monarch from the House of Habsburg which had ruled Spain since 1516, he died without children, leading to a European conflict over his successor.
8 hours ago · current location：Home > Moreover, the process allows for a wide range of metals to be cast, although iron remains one of the most common materials used. Different types of iron,
