Pls answer this i need help fast!!

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous