Heterospory is Believed to Have Led to the Evolution Of

Question

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

Accepted Answer

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.