( ( ( ( ( ( ( Define ( the ( terms hormone ) ) ) and ) pheromone ) , ) and ) ( ( identify differences ) ( in ( ( their ( functional importance ) ) ( in animals ) ) ) ) ) . )
(ROOT (S (VP (VP (VB Define) (NP (DT the) (NNS terms) (NN hormone))) (CC and) (VP (VB pheromone)) (, ,) (CC and) (VP (VB identify) (NP (NNS differences)) (PP (IN in) (NP (NP (PRP$ their) (ADJP (JJ functional)) (NN importance)) (PP (IN in) (NP (NNS animals))))))) (. .)))
Define the terms hormone and pheromone, and identify differences in their functional importance in animals.
(ROOT (S (NP (NNS Pheromones)) (VP (VBP are) (VP (VBN released) (PP (IN into) (NP (NP (DT the) (NN environment)) (PP (IN for) (NP (NP (NN communication)) (PP (IN between) (NP (NP (NNS animals)) (PP (IN of) (NP (DT the) (JJ same) (NN species))))))))))) (. .)))