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Chloroplasts probably evolved following an endosymbiotic event between an ancestral, photosynthetic cyanobacterium and an early eukaryotic phagotroph. [17] This event (termed primary endosymbiosis) is at the origin of the red and green algae (including the land plants or Embryophytes which emerged within them) and the glaucophytes, which together make up the oldest evolutionary lineages of ...
A. a. salvini at Cana Blanca Wildlife Sanctuary, Costa Rica A captive-bred red-lored parrot chick at the age of 6 weeks. The red-lored amazon or red-lored parrot (Amazona autumnalis) is a species of amazon parrot, native to tropical regions of the Americas, from eastern Mexico south to Ecuador where it occurs in humid evergreen to semi-deciduous forests up to 1,100 m altitude.
[16] [17] That is, it is similar to pink noise, but with different spectral content and different relationships (i.e. 1/f for pink noise, while 1/f 2 for red noise, or an decrease of 6.02 dB per octave). In areas where terminology is used loosely, "red noise" may refer to any system where power density decreases with increasing frequency. [18]
In the additive color system, or RGB color model, used to create all the colors on a computer or television display, cyan is made by mixing equal amounts of green and blue light. Cyan is the complement of red; it can be made by the removal of red from white. Mixing red light and cyan light at the right intensity will make white light.
A 15-pin VGA connector for a personal computer A 21-pin SCART or JP21 connector for a television. The various RGB (red, green, blue) analog component video standards (e.g., RGBS, RGBHV, RGsB) use no compression and impose no real limit on color depth or resolution, but require large bandwidth to carry the signal and contain a lot of redundant data since each channel typically includes much of ...
The Red Rock Canyon National Conservation Area in Clark County, Nevada, United States, is an area managed by the Bureau of Land Management as part of its National Landscape Conservation System, and protected as a National Conservation Area.
Ant preserved in amber. The color amber is a pure chroma color, located on the color wheel midway between the colors of yellow and orange.The color name is derived from the material also known as amber, which is commonly found in a range of yellow-orange-brown-red colors; likewise, as a color, amber can refer to a range of yellow-orange colors.
The red-giant branch (RGB), sometimes called the first giant branch, is the portion of the giant branch before helium ignition occurs in the course of stellar evolution. It is a stage that follows the main sequence for low- to intermediate-mass stars.