Examlex
When the members of a taxon are all descendents of a common single ancestral species, the taxon is said to be:
Q4: With the evolution of the ovule, the
Q22: A peristome is a capsular structure characteristic
Q23: In contrast to a eusporangium, a leptosporangium:<br>A)
Q25: _ produce nonmotile sperm.<br>A) Conifers and gnetophytes<br>B)
Q28: In Volvox, spheroids turn inside out before
Q33: Which of the following is the uptake
Q48: When biologists speak of the "fitness" of
Q54: Rockweeds and kelps belong to which class?<br>A)
Q57: In the citric acid cycle, NADH is
Q59: RNA contains thymine instead of uracil.