Question

What are Lichens? Who's the father of "Lichenology"? What's the meaning of Lichenology? What are two parts of Lichens? What are the role of individuals present in it? What are they sensitive to? Detailed answer needed

Answer 1

Lichens:

• Lichens are composite organisms.
• Erik Acharius is the father of Lichenology
• Lichenology is the study if Lichens.

$\red{\boxed{Parts:-}}$

Lichens has mainly two parts -----

1. Algal part
2. Fungal Part.

$\red{\boxed{Function\:of\:each\: :-}}$

• Algal part helps in Photosynthesis
• Algal part is also called Phycobiont part.

• Fungal Part helps in Body formation, Protection, Absorption of minerals and water.
• Fungal Part is also known as Mycobiont part.

• The lichens are sensitive to sulphur.
• They help to indicate air pollution.

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$\red{\boxed{More \:to\:know :-}}$

1. Their symbiosis is called Hetolism as fungi is more benefited than the algae.
2. Lichens are the Pioneer of vegetation.
3. They are used to make litmus paper.
4. They are bio indicators of pollution.
5. Some lichens are used as food and fodder.
6. Some may cause forest fire too. eg: usnea.