Answer:
C
Explanation:
because i took the test and got it right
The answer is mitochondria
We can maintain the carbon cycle by
Emperor penguins have the ability to 'recycle' their own body heat. The arteries and veins lie close together so that blood is pre-cooled on the way to a penguin's feet, wings and bill and warmed on the way back to the heart. Emperors' feet are adapted to the icy conditions
