Ang tawag sa mga iskolar na Pilipinong nakapag-aral sa
United States​

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

sounds good to me mate!

no questions on whether they are allowed that right