Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because:

Options

(a) female gametophyte is free and gets dispersed like seeds
(b) female gametophyte lacks archaegonia
(c) megaspores possess endosperm and embryo surrounded by seed coat
(d) embryo develops in female gametophyte which is retained on parent sporophyte

Correct Answer:

embryo develops in female gametophyte which is retained on parent sporophyte

Explanation:

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