( This ( ( indicates ( ( that , ) ( ( in ( organisms ( that ( have ( ( ( both ( ( innate and ) adaptive ) ) ( immune systems ) ) ( -LRB- ( i.e. ( , ( vertebrates -RRB- ) ) ) ) ) ) ) ) ) ( , ( ( activation ( of ( the ( adaptive ( immune system ) ) ) ) ) ( is ( under ( control ( of ( the ( innate ( immune system ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ indicates) (SBAR (IN that) (, ,) (S (PP (IN in) (NP (NP (NNS organisms)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (NP (NP (ADJP (DT both) (JJ innate) (CC and) (JJ adaptive)) (JJ immune) (NNS systems)) (PRN (-LRB- -LRB-) (FW i.e.) (, ,) (ADJP (JJ vertebrates)) (-RRB- -RRB-)))))))) (, ,) (NP (NP (NN activation)) (PP (IN of) (NP (DT the) (JJ adaptive) (JJ immune) (NN system)))) (VP (VBZ is) (PP (IN under) (NP (NP (NN control)) (PP (IN of) (NP (DT the) (JJ innate) (JJ immune) (NN system))))))))) (. .)))
This indicates that, in organisms that have both innate and adaptive immune systems (i.e., vertebrates), activation of the adaptive immune system is under control of the innate immune system.
(ROOT (S (NP (NNS Vertebrates)) (VP (VBP are) (ADJP (JJ unique) (PP (IN in) (S (VP (VBG having) (S (NP (NP (JJ adaptive) (NN immunity)) (PP (IN in) (NP (NN addition)))) (VP (TO to) (VP (VB innate) (NP (NN immunity)))))))))) (. .)))