( ( ( Found mostly ) ( in ( the tropics ) ) ) ( , ( they ( ( ( ( possess ( ( the ability ) ( to ( ( produce light ) ( by luminescence ) ) ) ) ) , ) ( so ( ( no energy ) ( is ( lost ( through heat ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (VP (VBN Found) (ADVP (RB mostly)) (PP (IN in) (NP (DT the) (NNS tropics))))) (, ,) (NP (PRP they)) (VP (VBP possess) (S (NP (DT the) (NN ability)) (VP (TO to) (VP (VB produce) (NP (NN light)) (PP (IN by) (NP (NN luminescence)))))) (, ,) (SBAR (IN so) (S (NP (DT no) (NN energy)) (VP (VBZ is) (VP (VBN lost) (PP (IN through) (NP (NN heat)))))))) (. .)))
Found mostly in the tropics, they possess the ability to produce light by luminescence, so no energy is lost through heat.
(ROOT (S (NP (NP (NNP Producing) (NN light)) (PP (IN without) (NP (DT a) (JJ high) (NN temperature)))) (VP (VBZ is) (VP (VBN called) (S (ADJP (JJ luminescence))))) (. .)))