What is another word for primary consumer?

Primary Consumers are also known as the ones who eat plants . They are usualy herbivores 

Consumer is another word for primary consumer

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

The answer to the question is moraine