Green plants are called photoautotrophs because they can make their own food through the process of photosynthesis, which converts carbon dioxide and water in the presence of light to oxygen and energy. Chlorophyll assists this process by absorbing light energy.
The colours of visible light form a colour wheel. Within that wheel the colour an object appears to be is the colour complementary to the one it most strongly absorbs. As such, plants look green because they absorb red light most efficiently and the green light is reflected.
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Green plants are unique because they synthesise their own food
Green plants are called photoautotrophs because they can make their own food through the process of photosynthesis, which converts carbon dioxide and water in the presence of light to oxygen and energy. Chlorophyll assists this process by absorbing light energy.
The colours of visible light form a colour wheel. Within that wheel the colour an object appears to be is the colour complementary to the one it most strongly absorbs. As such, plants look green because they absorb red light most efficiently and the green light is reflected.