( Viruses ( ( ( ( are ( found ( in ( ( almost ( every ecosystem ) ) ( on Earth ) ) ) ) ) and ) ( are ( ( the ( ( most abundant ) type ) ) ( of ( biological entity ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Viruses)) (VP (VP (VBP are) (VP (VBN found) (PP (IN in) (NP (NP (RB almost) (DT every) (NN ecosystem)) (PP (IN on) (NP (NNP Earth))))))) (CC and) (VP (VBP are) (NP (NP (DT the) (ADJP (RBS most) (JJ abundant)) (NN type)) (PP (IN of) (NP (JJ biological) (NN entity)))))) (. .)))
Viruses are found in almost every ecosystem on Earth and are the most abundant type of biological entity.
(ROOT (S (NP (NNS Viruses)) (VP (VBP are) (NP (NP (DT the) (ADJP (RBS most) (JJ abundant)) (NN type)) (PP (IN of) (NP (NP (JJ biological) (NN entity)) (PP (IN on) (NP (DT the) (NN earth))))))) (. .)))