TY - RPRT TI - Amino acid and nucleotide metabolism shape the selection of trophic levels in animals AU - Yu, R. AU - Wang, H. AU - Nielsen, J. PY - 2021 DO - 10.1101/2021.07.01.450789 UR - https://www.biorxiv.org/content/10.1101/2021.07.01.450789v1 ID - 10.1101/2021.07.01.450789 ER -