What type of level on the food chain are herbivores ?

The food chain works in the order of producers (plants) then herbivores, then omnivores and carnivores with the apex predators at the top and decomposers are usually drawn off to the side because they take care of everything in the end

Single strand binding protein by peptide bond

If you get a map and put the countries a states all together it forms all one piece you can also tell because of the earth quakes