Question

What is heterospory and give its significance with two example

Answer 1

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Heterospory is a phenomenon in which two kinds of spores are borne by the same plant.
Heterospory is thus considered an important step in evolution as it is a precursor to the seed habit. Heterospory evolved first in pteridophytes such as Selaginella and Salvinia.

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Answer 2

Answer:

The phenomenon of producing two different kinds of spores in the same plant is known as heterospory.

Significance of heterospory:

• Heterospory leads to the development of seeds in gymnosperms and angiosperms.

• It is required in the differentiation of male and female gametophytes.

Examples: Salvinia, Selaginella