( Ecology ( ( interspecific competition ) . ) )
(ROOT (FRAG (ADVP (RB Ecology)) (NP (JJ interspecific) (NN competition)) (. .)))
Ecology  interspecific  competition.
(ROOT (S (NP (NP (DT The) (CD two) (JJ basic) (NNS types)) (PP (IN of) (NP (NN competition)))) (VP (VBP are) (VP (VBN called) (NP (ADJP (JJ instraspecifc) (CC and) (JJ interspecific)) (NN competition)))) (. .)))