Answer:
The action potential is conducted into a skeletal muscle fiber by, transverse tubules.
The correct answer is 20% on average. The ideal percentage rate of a healthy man with normal weight is 18 to 22%. However, a range of 7-13% is considered normal for male professional athletes, because their muscular mass is much greater. The physiological minimum rate which is acceptable for males is 4-6%.
In low light no plants grow. With no plants no animals can eat so less animals remain or stay there. With less animals less animals respire and breathe out CO2.
Answer:
Red foxes
Explanation:
The arrow shows the transfer of energy from the shrew to the red fox