Heterospory is believed to have led to the evolution of:

A) eggs.
B) seeds.
C) xylem.
D) phloem.
E) pollen.

Question

Heterospory is believed to have led to the evolution of:A)  eggs.B)  seeds.C)  xylem.D)  phloem.E)  pollen.

Austin D'Mello · Accepted Answer

Final Answer : B, Explanation :  Heterospory, the production of two distinct types of spores (microspores and megaspores), is a key evolutionary step that led to the development of seeds, as it allowed for the differentiation of male and female gametophytes, facilitating the evolution of seed plants.

Heterospory is believed to have led to the evolution of:

A) eggs.
B) seeds.
C) xylem.
D) phloem.
E) pollen.

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