In many songbirds, the voice box or __________ is a double ...

[dejastew]

In many songbirds, the voice box or __________ is a double structure.
 
  A) high vocal center
  B) robust nucleus
  C) syrinx
  D) hypoglossal nucleus
  E) archistriatum

Question 2

Canaries can sing with either their left or right hemispheres, but
 
  A) they cannot sing the same song with both at the same time.
  B) most have a strong left-hemisphere preference.
  C) they cannot sing with their left hemisphere and their syrinx at the same time.
  D) most have a strong right-hemisphere preference.
  E) they cannot sing with their syrinx.

[komodo7]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[dejastew]

Excellent

[lkanara2]

Gracias!