- Trending Categories
- Data Structure
- Operating System
- MS Excel
- C Programming
- Social Studies
- Fashion Studies
- Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Why lichens are called dual organism?
Lichens have symbiotic relationship between algae and fungus hence they are called as dual organisms.
Lichens grow from the substrate of fungi in an algae environment.
The algae and fungi are in mutual relationship where algae help to produce food and fungus help to absorb the nutrients. Lichens are of various size and forms, divided into thallus and filament body parts.
Lichens are of variety of colors due to the presence of usnic acid.
- Related Articles
- What are Lichens?
- Why plants are called autotrophs?
- Why plants are called flora?
- Why integers are called integers?
- Why are plants called producers?
- Why are South Africans called ‘Protease’?
- Why are metals called electropositive elements whereas non-metals are called electronegative elements?
- Why are TV serials called daily soaps?
- Why cow and buffalo are called Ruminants?
- Why sound waves are called mechanical waves?
- Why are natural numbers called counting numbers?
- Explain why some fibres are called synthetic?
- The organism containing only a single cell is called(a) unicellular organism(b) multicellular organism(c) organelle(d) all of these
- Why are there two Irelands? What are they called independently?
- Why is respiration necessary for an organism?