The correct answer is: C.They are carry around the body in the circulatory system.
circulatory
The lungs and respiratory system work closely with the circulatory system to make sure oxygen reaches all the cells of our body.
Energy flows up a food chain, from the primary producers to the primary consumers, to the secondary consumers, up to the tertiary and then quaternary consumers. Energy flows when one organism eats another lower in the food chain, the energy is transferred by heat and movement, some though is lost. They eat each other but it only gets half the energy stored. A food web is similar - it is just a series of food chains.
Answer:
Eutrophication
Explanation:
Eutrophication is the process where organic matter and nutrients build up in a body of water and increase plant growth.
