Which of the following is correct about heterospory

Which of the following is correct about heterospory

Options

(a) Selaginella and Salvinia are heterosporous
(b) Heterosporous pteridophytes have macro and micro spores
(c) The development of Zygote within female gametophyte is the precursor to the seed habit
(d) All of the above

Correct Answer:

All of the above

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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