( He ( ( ( explained ( to ( students ( during ( the ( biology ( 525 ( animal ( behavior class ) ) ) ) ) ) ) ) ) ( that ( bees ( ( ( are also ) ( dependent ( on ( ( ( a dance ) , ) ( which ( tells ( ( the others ) ( in ( the hive ) ) ) ) ) ) ) ) ) ( ( ( where and ) how ) ( ( ( far ( the ( nearest source ) ) ) ( of food ) ) is ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD explained) (PP (TO to) (NP (NP (NNS students)) (PP (IN during) (NP (DT the) (NNP biology) (CD 525) (NN animal) (NN behavior) (NN class))))) (SBAR (IN that) (S (NP (NNS bees)) (VP (VBP are) (ADVP (RB also)) (ADJP (JJ dependent) (PP (IN on) (NP (NP (DT a) (NN dance)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ tells) (NP (NP (DT the) (NNS others)) (PP (IN in) (NP (DT the) (NN hive)))))))))) (SBAR (WHADVP (WRB where) (CC and) (WRB how)) (S (NP (NP (RB far) (DT the) (JJS nearest) (NN source)) (PP (IN of) (NP (NN food)))) (VP (VBZ is)))))))) (. .)))
He explained to students during the biology 525 animal behavior class that bees are also dependent on a dance, which tells the others in the hive where and how far the nearest source of food is.
(ROOT (S (NP (DT A) (NN bee)) (VP (MD will) (ADVP (RB sometimes)) (VP (VB do) (NP (DT a) (NN dance) (S (VP (TO to) (VP (VB tell) (NP (JJ other) (NNS bees)) (PP (IN in) (NP (DT the) (NN hive))) (SBAR (WHADVP (WRB where)) (S (VP (TO to) (VP (VB find) (NP (NN food)))))))))))) (. .)))
A bee will sometimes do a dance to tell other bees in the hive where to find food.