( This ( ( is ( equated ( to ( ( a seed ) ( growing ( into ( a plant ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ is) (VP (VBN equated) (PP (TO to) (NP (NP (DT a) (NN seed)) (VP (VBG growing) (PP (IN into) (NP (DT a) (NN plant)))))))) (. .)))
This is equated to a seed growing into a plant.
(ROOT (S (NP (JJ Heirloom) (NNS seeds)) (VP (VBP come) (PP (IN from) (NP (NP (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VBD were) (ADVP (RB traditionally)) (VP (VBN grown) (PP (IN in) (NP (JJ human) (NNS populations))))))))) (, ,) (ADJP (RB as) (VBN opposed) (PP (TO to) (NP (NP (DT the) (NNS seeds)) (VP (VBN used) (PP (IN for) (NP (JJ large-scale) (JJ agricultural) (NN production)))))))) (. .)))