[Campbell Biology P.1140] Which of the following statements about the cerebellum's size and f... | Practice Question

Which of the following statements about the cerebellum's size and function is most accurate, according to the provided text?

  • A: It is relatively small in actively swimming ray-finned fish like tuna.
  • B: Its size is generally smaller in species that do not swim actively, such as the lamprey.
  • C: It is the primary region for complex processing and learning.
  • D: It controls involuntary activities such as blood circulation and olfaction.

Explanation

The text states: 'The correlation between the size and function of brain regions can also be observed by considering the cerebellum... In comparison, the cerebellum is much smaller in species that don't swim actively, such as the lamprey.'