During the Cenozoic,animals grew to great sizes and proportions.The woolly mammoth and the saber tooth tiger were much larger than animals we see today.Some of the causes for their extinction may be
A)the emergence of man and competition for food.
B)burning of the grasslands,severe climatic change,and man's emergence.
C)dwindling food supplies,extreme climatic variation,and man's emergence.
D)the extensive ice sheets that covered the land surface.

Question

Quizplus · Accepted Answer

Dwindling food supplies and extreme climatic variations, combined with the emergence of man and competition for resources, likely contributed to the extinction of these larger animals during the Cenozoic era. Burning of grasslands and ice sheets may have played a role in some cases, but the combination of factors in choice C is the most comprehensive explanation.

During the Cenozoic,animals Grew to Great Sizes and Proportions