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It was adapted by flowers to orient pollinators leading to an example of co-evolution. [8] UV light allows them to broadcast a guide to where their pollen is located. [4] Due to unique life characteristics and morphology of flowers, pollinators are more effective at taking the pollen and spreading it to other flowers of the same species. [3]
Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".
A sine, square, and sawtooth wave at 440 Hz A composite waveform that is shaped like a teardrop. A waveform generated by a synthesizer. In electronics, acoustics, and related fields, the waveform of a signal is the shape of its graph as a function of time, independent of its time and magnitude scales and of any displacement in time.
Hanakotoba, also known as 花言葉 – Japanese form of the language of flowers; List of national flowers – flowers that represent specific geographic areas; Plants in culture – uses of plants by humans; Narcissus in culture – uses of narcissus flowers by humans
Radio waves (black) reflecting off the ionosphere (red) during skywave propagation. Line altitude in this image is significantly exaggerated and not to scale. In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere.
Most commercial clip art is sold with a limited royalty free license which allows customers to use the image for most personal, educational and non-profit applications. Some royalty free clip art also includes limited commercial rights (the right to use images in for-profit products).
Plants detect neighbors by means other than well-established communicative signals including volatile chemicals, light detection, direct contact and root signaling. [ 2 ] [ 3 ] [ 4 ] Because sound waves travel efficiently through soil and can be produced with minimal energy expenditure, plants may use sound as a means for interpreting their ...
The Mirabilis jalapa flower contains violet, fluorescent betacyanins and yellow, fluorescent betaxanthins. Under white light, parts of the flower containing only betaxanthins appear yellow, but in areas where both betaxanthins and betacyanins are present, the visible fluorescence of the flower is faded due to internal light-filtering mechanisms.
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