Question

sori are surrounded by a thick coat? why​

Answer 1

Answer:

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Explanation:

Answer. A sorus is a cluster of sporangia in ferns and fungi.In fungi and, the sorus is surrounded by an external layer. In some red algae, it may take the form of a depression into the thallus. In ferns, these form a yellowish or brownish mass on the edge or underside of a fertile frond.Nov 1