Why does the ST-term in the T'-equation have a negative sign, while the ST term in the S'- equation has a positive sign? (check all that apply) ST term is positive in S equation because tuna reproduce more rapidly than sharks O ST term is negative in T equation because tuna die faster than sharks ST term is negative in T equation because it represents interactions in which tuna die ST term is positive in S equation because it represents interactions which feed sharks

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