Kev ua tau zoo yog lub neej ntawm kev lag luam.Lub tuam txhab tseem ceeb heev rau kev tswj cov khoom zoo.Nws muaj ib pab pawg neeg tswj xyuas cov neeg ua haujlwm zoo, nruab nrog cov chaw soj ntsuam cov khoom lag luam, cov chav kuaj, thiab cov chaw soj nstuam.