Answer:
The need for resources will make the organisms competitive in their ecosystems.
Yes. No cancer and heart disease would save millions of lives.
Answer:
I believe it is cellulose, I'm not a 100% sure
Answer:
They have a closed circulatory system.
Explanation:
In an open circulatory system, blood vessels transport all fluids into a cavity. When the animal moves, the blood inside the cavity moves freely around the body in all directions.
Closed circulatory systems are different to open circulatory systems because blood never leaves the blood vessels. Instead, it is transferred from one blood vessel to another continuously without entering a cavity.
creatine phosphate is the chemical that helps to regenerate ATP
