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【单选题】Ever since Darwin’’s theory of evolution, biologists have assumed that environments teeming with complex forms of life served as the nurseries of evolution. But two recent papers in Science magazine h...
A.
Darwin’’s Theory Modified.
B.
How Animals Evolve.
C.
Evolution in Hard Places.
D.
Where Did Large Sea Animals Originate.
【单选题】Ever since Darwin’’s theory of evolution, biologists have assumed that environments teeming with complex forms of life served as the nurseries of evolution. But two recent papers in Science magazine h...
A.
new theory
B.
new phenomenon
C.
changes
D.
new inventions
【单选题】Ever since Darwin’’s theory of evolution, biologists have assumed that environments teeming with complex forms of life served as the nurseries of evolution. But two recent papers in Science magazine h...
A.
Darwin’’s Theory Modified.
B.
How Animals Evolve.
C.
Evolution in Hard Places.
D.
Where Did Large Sea Animals Originate.