The 30-cm floral tube of the flower Angraecum and the 35-cm proboscis of its hawk moth pollinator are the result of ____.
A) a preadaptation
B) adaptive radiation
C) coevolution
D) convergent evolution
E) a key innovation
Correct Answer:
Verified
Q8: The primary reason for hybrid sterility is
Q9: The acquisition of a key evolutionary innovation
Q10: Allopatric speciation requires _.
A)gradual evolutionary changes
B)geographic isolation
C)polyploidy
D)adaptive
Q11: Q12: The persistence of malaria and sickle-cell anemia Q14: What accounts for the fact that polydactylism Q15: Allopatric and sympatric speciation both occur in Q16: Males are often more colorful, larger, and Q17: Microevolution within a population is least likely Q18: A male develops a trait that makes
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