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having a grey color Greek πολῐός (poliós), grey, grizzled poliomyelitis: poly-denotes a 'plurality' of something Greek πολῠ́ς (polús), many, a lot of, large, great polymyositis: por-pore, porous Greek πόρος (póros), passage, passageway pore porphyr-denotes a purple color Greek πορφύρα (porphúra), Tyrian purple ...
G ὑπέρ Βορέᾱ (hupér Boréā) from the Arctic region (Hyperborea) glaucous gull, Larus hyperboreus; tundra fleabane, Erigeron hyperboreus. tangle or cuvie, Laminaria hyperborea; estuary beggarsticks, Bidens hyperborea. boreal bur-reed, Sparganium hyperboreum; boreal haircap moss, Polytrichum hyperboreum.
Purple is a color similar in appearance to violet light. In the RYB color model historically used in the arts, purple is a secondary color created by combining red and blue pigments. In the CMYK color model used in modern printing, purple is made by combining magenta pigment with either cyan pigment, black pigment, or both.
Surface of an organ facing away from the organ's axis, e.g. the lower surface of a lateral organ such as a leaf or petal. [2] Contrast adaxial. abort. To abandon development of a structure or organ. [3] abscission. Natural shedding of an organ that is mature or aged, as of a ripe fruit or an old leaf.
Photosynthesis (/ ˌfoʊtəˈsɪnθəsɪs / FOH-tə-SINTH-ə-sis) [ 1 ] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.
Biology is the scientific study of life. [ 1 ] [ 2 ] [ 3 ] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are made up of cells that process hereditary information encoded in genes , which can be transmitted to future ...
Eukaryotes are organisms that range from microscopic single cells, such as picozoans under 3 micrometres across, [6] to animals like the blue whale, weighing up to 190 tonnes and measuring up to 33.6 metres (110 ft) long, [7] or plants like the coast redwood, up to 120 metres (390 ft) tall. [8]
Basil II. Basil II Porphyrogenitus (Greek: Βασίλειος Πορφυρογέννητος Basileios Porphyrogennetos; [note 2] 958 – 15 December 1025), nicknamed the Bulgar Slayer (Greek: ὁ Βουλγαροκτόνος, ho Boulgaroktónos), [note 3] was the senior Byzantine emperor from 976 to 1025. He and his brother Constantine VIII ...