Which one of the following is not true about
lichens?
(a) Their body is composed of both algal and
fungal cells
(b) Some form food for reindeers in arctic regions
(c) Some species can be used as pollution
indicators
(d) These grow very fast at the rate of about
2 cm per year
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1
Answer:
some from food for reindeers in artic regions
Answered by
1
Incorrect statement about lichens:
• Option “D” is correct i.e. lichens can grow very fast at the rate of about 2 cm per year.
• This statement is incorrect because the rate of growth of lichen is very slow even less than a millimeter per year and this feature is used to regulate the age of an exposed rock.
• Lichens are made by the symbiotic association between algae and fungi and have an exclusive morphology different from both partners.
Hope it helped....
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