Energy in an ecosystem flows directly from . producers to tertiary consumers

producers to secondary consumers

tertiary consumers to secondary consumers

environmental science, help asap please!

producers to secondary consumers

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

i think the answer is gold im not entirely sure