What is the major difference between the position of producers and primary consumers in the food chain?

a.Primary consumers make up the first level of the food chain, while producers make up the last level of the food chain.
b.Primary consumers make up the last level of the food chain, while producers make up the first level of the food chain.
c.Primary consumers make up the second level of the food chain, while producers make up the first level of the food chain.
d.Primary consumers make up the second level of the food chain, while producers make up the third level of the food chain.

c.Primary consumers make up the second level of the food chain, while producers make up the first level of the food chain.