( ( Both ( irradiated ( and ( control animals ) ) ) ) ( ( were ( ( fed ( in ( pairs ( with ( ( the ( same amount ) ) ( of feed ) ) ) ) ) ) ( as ( was ( consumed ( by ( ( irradiated animals ) ( in ( the ( pilot experiment ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT Both) (JJ irradiated) (CC and) (NN control) (NNS animals)) (VP (VBD were) (VP (VBN fed) (PP (IN in) (NP (NP (NNS pairs)) (PP (IN with) (NP (NP (DT the) (JJ same) (NN amount)) (PP (IN of) (NP (NN feed))))))) (SBAR (IN as) (S (VP (VBD was) (VP (VBN consumed) (PP (IN by) (NP (NP (JJ irradiated) (NNS animals)) (PP (IN in) (NP (DT the) (NN pilot) (NN experiment))))))))))) (. .)))
Both irradiated and control animals were fed in pairs with the same amount of feed as was consumed by irradiated animals in the pilot experiment.
(ROOT (S (NP (NNP Animal) (NNS behaviors)) (VP (VBP are) (VP (VBN controlled) (PP (IN by) (NP (NP (DT both) (NNS genes) (CC and) (NNS experiences)) (PP (IN in) (NP (DT a) (VBN given) (NN envionment))))))) (. .)))