Answer:
Because a food chain is very limited and only follows one path while a food web consists of many food chains made into one food web
Explanation:
B white blood cells function as your immune systems body guards. Osmosis Jones is a great movie to watch in order to learn more about it :)
-Homologous structures in different organisms
Because humans are omnivorous thus they can feed on different organisms. They can never occupy the lowest levels because they are not omnivorous.
