Which one of the following statement about lichens is wrong? (a) These grow very rapidly (2 cm per day). (b) They show fungal and algal symbiotic relationships. (c) Some of its species are eaten by reindeers. (d) These are pollution indicators.
Option A Lichens grow by extending their thallus outwards from either tips or edges. They grow very slowly. Rates of growth can vary from 0.5 mm per year to 500 mm per year. This slow growth rate equates with their long life.
