Use of English · Parte 3
From 2000 to 2005, a non-native plant (0) RAPIDLY (RAPID) changed the makeup of California's San Francisco Bay. The (1) .......... (INVADE) species, called Spartina alterniflora, threatened to turn tidal mud flats into meadow. This would eliminate shorebird foraging habitat, and push the native S. foliosa toward…
Desbloquea todos los exámenes, simulaciones ilimitadas, las 80 fases del juego y mucho más.