#Question id: 4975
#11. Evolution and Behavior
The observation that tusks were limited to males in several species, and were apparently not used in food-gathering, is evidence that the tusks probably
#Question id: 4976
#11. Evolution and Behavior
Which of these is the most likely explanation for the existence of dicynodont fossils on modern-day Antarctica?
#Question id: 4977
#11. Evolution and Behavior
There are at least a dozen known species in the extinct genus Lystrosaurus. If each species was suited to a quite different environment, then this relatively large number of species is likely due to
#Question id: 4978
#11. Evolution and Behavior
The dicynodonts survived the mass extinction that was most closely correlated in time, if not in cause, with
#Question id: 5012
#11. Evolution and Behavior
A | Silurian | I | Seed plants appear |
B | Devonian | II | Gymnosperms dominant |
C | Carboniferous | III | Invasion of land by primitive land plants |
D | Jurassic | IV | first reptiles |
#Question id: 5014
#11. Evolution and Behavior
Following geological time period and major evolutionary event?
I. Devonian A. Gymnosperms dominant
II. Jurassic B. Amphibians diversify; first reptiles
III. Carboniferous C. Mammals appear
IV. Triassic D. Seed plants appear