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Original file (2,500 × 1,079 pixels, file size: 2.63 MB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Original file (2,044 × 1,560 pixels, file size: 1.09 MB, MIME type: image/png) This is a file from the Wikimedia Commons. ... Interdependencies of coral reef, ...
Original file (785 × 724 pixels, file size: 409 KB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
This image has partial transparency (254 possible levels of transparency between fully transparent and fully opaque). It can be transparent against any background despite being anti-aliased. Some image formats, such as PNG and TIFF, also allow partial transparency through an alpha channel, which solves the edge limitation problem.
When converting an image from the PNG format to GIF, the image quality may suffer due to posterization if the PNG image has more than 256 colors. GIF intrinsically supports animated images. PNG supports animation only via unofficial extensions (see the section on animation, above). PNG images are less widely supported by older browsers.
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Sometimes, you find a drawing or similar image useful for a Wikipedia article, that was saved as a JPEG but should have been saved as a PNG.JPEG is good for images where the color changes fluidly throughout the image, like in a photograph, whereas PNG files are good for images with relatively few colors, such as a drawing of a flag, a chart, or a map; note that sometimes SVG is better.
A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. [1] Most coral reefs are built from stony corals, whose polyps cluster in groups. Coral belongs to the class Anthozoa in the animal phylum Cnidaria, which includes sea anemones and ...