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A teacher was explaining about a constan...

A teacher was explaining about a constant physical contact involving almost equal physiological interdependence in two different thaloid forms. He was trying to explain one of the following

A

Mycorrhizal association

B

Establishment of heterothallism

C

Operation of heterothallism

D

Advent of lichen formation

Text Solution

Verified by Experts

The correct Answer is:
D
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