Question

what is the structure of lichen ​

Answer 1

Explanation:

The majority of the lichen thallus is comprised of fungal filaments called the medulla. It is made of fungal cells that are loosely packed in the middle of the lichen thallus, have thin cell walls, and are threadlike. The result is a cotton-like substance underneath the outer cortex.

Answer 2

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Answer:

The majority of the lichen thallus is comprised of fungal filaments called the medulla. It is made of fungal cells that are loosely packed in the middle of the lichen thallus, have thin cell walls, and are threadlike. The result is a cotton-like substance underneath the outer cortex.