Question

What is heterospory? Explain with examples.

Answer 1

Heterospory is the production of spores of two different sizes and sexes by the sporophytes of land plants.

$example$
gymnosperms and certain pteridophytes such as Selaginella.

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Answer 2

What is heterospory? Explain with examples.

➔ Hetrospory: Plants of the same species producing two types of spores i.e. microspores and megaspores.

All Angiosperms and Gymnosperms are heterosporous.

They produce microspores within microsporangia and megaspores within megasporangia.

Some Pteridophytes like Selaginella, Isoetes, Azolla, Marsilea etc. are also heterosporous.