Lichens are an indicator of the ecosystem, very sensitive and precise, which can provide valuable information on the degree of pollution of the atmosphere as well as of stationary ecological conditions. They are often ignored, and we only appreciate their beauty when we see either a microscope or when we see them in close-up photos. They are just as important as the forests that release us from smog.
Have a beautiful Tuesday!
Ileana
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Question ofDo you know what lichens are?  - 
					
a fungus
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an alga
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a symbiotic association between an alga and a fungus.
 
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Question ofDid you know that lichens are an indicator of the ecosystem  - 
					
Yes
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No
 
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 Ileana Calotescu
							Ileana Calotescu
					 
					 
					 
					
Through something small, we know something big
That is right! BTW. Not all my photos are macros. Some are macro, others are close-up. For example, in this post, only the first photo is macro. The others are close-up photos. You can see the difference between macro and closeup, here.
Yes, I see the difference, even though I’m still bit curious, but it’s been answered with macro lenses!
it is like having air quality devices all over the world, you just have to check them…
Amazing what you can see with the macro lens. I love these photos.