Answer:living organisms need water to survive.
Some such as fish can breathe in water.
Others need water to break down food molecules or to get energy.
Explanation:
Answer:
A antigens, B antibodies.
Explanation:
Always the opposite for blood type questions.
the correct answer is D. for example per say an animal sadly dies. Then bacteria break down dead plants or other living things using decomposition, and later on use nutrients for plants to grow. and it is a cycle on and on and on.
A. DNA mutation (i think)
The circulatory helps keep you healthy because it delivers nutrients and oxygen to all of your cells(which your cells need)(and you need cells to survive).
The circulatory assists your cells and gives them what they need to stay healthy and keep you alive
