Which option BEST describes why lampreys require two different types of breathing?
a. To breathe, suck, and swim simultaneously.
b. Lack of operculum therefore water can pass through gills while feeding and enter the respiratory system.
c. Suit their parasitic lifestyle through tidal breathing while water enters gill slits and is expelled through gill pores
d. When attached to the host they use branchial breathing in which water enters the mouth and passes through gill pores.
