From Lamarck’s theory, giraffes have long necks because ______
A. nature selected long trees
B. humans preferred only long-necked ones
C. of the sudden change of short to long necks
D. stretching of necks over many years by short-necked ones
Answer:D
From Lamarck’s theory, giraffes have long necks because ______
A. nature selected long trees B. humans preferred only long-necked ones C. of the sudden change of short to long necks D. stretching of necks over many years by short-necked ones