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AnswerPlants appear green because their cells contain chloroplasts, which contains chlorophyll ,then gives plants green pigment...in order to survive. Chlorophyll reflects green and yellow while it absorbs other lights for energy (red, orange, blue, and violet).

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I think the question was more "why are plants green and not some other colour" rather than "why do I see plants as green". The real answer to the question would then be nobody really knows. Technically because the sun emits yellow rays, plants would most benefit from being purple. in ancient times there were purple photosynthetic bacterium that photosynthesized with retinal, a chemical in your eyes, so most scientist are confused by this.

Plants are green because they have the substances that are not necessarily green called chloroplasts. Because of this pigment the plant can absorb an assortment of colors, so basically plants can absorb almost every color on the visible light spectrum except green. That is why we perceive plants to be green because their pigment does not allow them to absorb this color

Chlorophyll, (photosystem II and photosystem I), are based on the element Magnesium, and the structure is analogous to hemoglobin in animals which is based on iron. Iron compounds don't absorb red light, so you see red. Magnesium based compounds don't absorb the middle spectrum of visible light, so you see green. reds which are longer wavelength and blues which are shorter wavelength are absorbed in plants for energy to drive metabolic processes, and that energy turns water and carbon dioxide into carbohydrates. So plants physically have no choice but to be green, it was not a selection of evolution. Cloroplasts are endosymbiotic structures, they have two membranes and their own prokaryotic DNA...they closely resemble cyanobacteria that did develop upward of 2 billion years before plants in a high carbon dioxide atmosphere. That suggests that as carbon dioxide levels fell that the structure of a plant was more successful for this phototrophic organism to hide from the oxygen. So, that's where the chlorophyll came from in plants, and how come plants are green.

AnswerPlants are green because archaea are purple. Archaea came first, photosynthesizing using purple pigment rhodopsin. Plants evolved green pigment chlorophyll so they could use the leftover light that wasn't being used by archaea. After the Earth cooled, the archaea could not survive as well, but the plants could, so the green plants became the most popular form of life.
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โˆ™ 2014-04-25 14:46:38
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โˆ™ 2010-05-17 03:43:45

Plants are green because they have millions of cells in them, each with chlorophyll and chloroplasts, which are green and preform photosynthesis which makes food for the plant from sunlight.

Plants actually absorb many colors of light. The only color green plats reflect is green. This is due to the chlorophyll

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โˆ™ 2012-12-09 20:27:40

Not all plants are green. However, in green plants, the colour is due to the presence of chlorophyll in the leaves and stems and the subsequent reflection of green light (aka electromagnetic spectrum). Chlorophyll plays a part of taking in sunlight in the complicated process of photosynthesis.

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โˆ™ 2008-04-01 07:15:13

Because there's this thing called chlorophyll in them. Chloroplasts make red, brown and orange. When it dies the chloropyll goes away it reveals the red, orange and brown.

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โˆ™ 2011-01-28 11:19:38

The answer to this is due to Chlorophyll and the electromagnetic spectrum of colour.

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Q: Why are plants green?
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Related questions

Are plants really green?

plants are not green,its light green


How do plants get their green colour?

Plants are green because of the cholorplasts inside of them. Choloroplasts make the plants green.


Why is weed green?

Weeds are plants, and plants are green


How are green plants different from non green plants?

Green plants reflect green light, non green plants reflect a different color making them red or whatever color they are.


Are plants green cause plants contain chlorophyll?

No not all plants are green


Why are plants generally green?

Plants are green as a result of the green chlorophyll in the leaves.


What do green plants have that other plants do not?

green plants have chlorophyll and that's what makes them different


What do green plants eat?

green plants eat lots of different things as all green plants arent the same.


Why is green light the poorest color to give plants energy to green plants?

Because green plants reflect green light (that is why the look green) and therefore can not use its energy.


Why do green plants photosynthesis?

Green plants photosynthesize because green plants contain chloroplasts. The chlorophyll inside the chloroplasts is what makes the plant a green color.


Why can green plants survive but mammals could not survive without green plants?

mammals cant survived without green plants because that is their food and that how they live without green plants they will die.


Why do animals eat green plants?

Green plants are primary producers and animals are consumers. Thus herbibores feed on green plants.

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