Beatrice the Biologist: Element Recycling

Beatrice the Biologist: Element Recycling: Apart from the stray asteroid here and there, the elements we have on earth have been here since the beginning and haven't left. Obvious...

Beatrice the Biologist: Aliens, Unlimited

Beatrice the Biologist: Aliens, Unlimited: Watching Prometheus this past weekend got me thinking about movie aliens. I get annoyed at how humanoid they tend to be. There are exceptio...

Why trees, mosses, and algae are green??

Why trees, mosses,  even algae are green?

Woow. Thats a great question.
First,  they have chlorophyll on their sell. And, second why chlorophyll is green??

Ok, then. Chlorophyll is a pigmen that caught a photon from sunlight. You know that when you put the sunlight on prism you'll get a rainbow color from the sunlight. So, chlorophyll only absorb a red and blue (violet) rays that rays are needed in photosynthesis reaction. But the the green ray bounced back. That's why leafs, mosses, alga are green.

So, guys that's the reason why are they look green in our eyes.
So, how about the other color? Flowers, wood, or others? So, it depends on what pigmen it has.