It would be d. in your conclusion you want to state if your hypothesis was right or wrong and why.
Answer:
density-dependent
Explanation:
limiting factors cause a population's per capita growth rate to change—typically, to drop—with increasing population density. one example is competition for limited food among members of a population. whereas, density-independent factors affect per capita growth rate independent of population density. examples include natural disasters like forest fires.
When you inhale and exhale, you actually breathe. When you inhale, your intercostal muscles between ribs and diaphragm contract. This increases the space in chest cavity so your lungs can expand and the air enters the lungs. When you exhale, intercostal muscles and diaphragm relax reducing the space in the chest which leads to removing the air from the lungs.
Answer: Im pretty sure it's the orbicularis oris muscle.