encouragement; urging; spurring on
teacher's cane; teacher's pointer
to teach; to take a teaching job
encouragement; urging; spurring on; chastising by whipping
whipping; flogging; lashing
whipworm (Trichuris trichiura)
flagellates; mastigophorans
flagellate; mastigophoran
Choanozoa (phylum of protists closer to animals than to fungi)
Giardia lamblia (parasite that causes giardiasis)
Choanoflagellatea (class of flagellate eukaryotes closely related to animals)