A botanist discovers a new species of land plant with a dominant sporophyte, chlorophylls a and b, and cell walls made of cellulose. In assigning this plant to a phylum, which of the following, if present, would be least useful?
A) endosperm B) seeds C) sperm that lack flagella D) flowers E) spores
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1)sporophyte dominance, gametophyte independence 2)sporophyte dominance, gametophyte dependence 3)gametophyte dominance, sporophyte dependence
A) 1 → 2 → 3 B) 2 → 3 → 1 C) 2 → 1 → 3 D) 3 → 2 → 1 E) 3 → 1 → 2