> All seed plants and some seedless vascular plants are
heterosporous, which produce two types of spores that develop into
either male or female gametophytes. (True/False)
> A megaspore of seed plants develops into a pollen grain
containing the male gametophyte. (True/False)
> In arbuscular mycorrhizae, fungal hyphae penetrate the cell
wall but not the plasma membrane of the plant root cortex.
(True/False)
> In vascular plants, phloem conducts water and dissolved
minerals upward from roots into the shoots. (True/False)...