What is a population?

all the organisms in an ecosystem
a collection of all the abiotic factors in an ecosystem
a collection of all the biotic factors in an ecosystem
a group of organisms of the same kind or species

The correct answer is:   [D]:

    " a group of organisms of the same kind or species  "

                {within an ecosystem} .

i would have a lunch. it's one big package of food, making it one food. : p

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.