Lichen. Bioindicators and Symbiosis Sana Bharde. Lichen Symbiosis . Mutualism symbiosis Mutualism: both organisms benefit Symbiosis: relationship between species in direct contact Lichen composes of algae & fungi living in symbiosis
Bioindicators and Symbiosis
methabolism and releasing oxygen during the process. Photobionts are the primary producers in the lichen symbiosis.
Algae Fungi Mutualism
Lichens grow in the leftover spots of the natural world that are too harsh or limited for most other organisms. They are pioneers on bare rock, desert sand, cleared soil , dead wood, animal bones, rusty metal, and living bark. Able to shut down metabolically during periods of unfavorable conditions, they can survive extremes of heat, cold, and drought.
reflect environmental health and quality.
Lichens depend on atmospheric moisture : rain , fog &
dew for growth
Lichens have a variety of different growth forms
fruticose (shrubby) leprose(powdery)