Respuesta :
1. grass→grasshopper→frog→snake→hawk
2. phytoplankton→zooplankton→small fish→large fish→fish eating birds
3.oak tree (any tree)→birds→parasite→hyperparasite
2. phytoplankton→zooplankton→small fish→large fish→fish eating birds
3.oak tree (any tree)→birds→parasite→hyperparasite