Multiple ChoiceThe closest seedless relatives of seed plants produce one kind of spore that gives rise to a bisexual gametophyte. What does this suggest about the ancestors of seed plants?
Multiple ChoiceThe eggs of seed plants are fertilized within ovules, and the ovules then develop into __________.
Multiple ChoiceBesides the plant tissue that humans ingest, which angiosperm tissue is most directly important for human survival?