14. Density-Independent factors are limiting factors whose effects are . confined to the habitat of the population
determined by the degree of competition for resources
not influence by population densities
determined by the difference between birthrate and population density

Ifound this on google “here are some features of the alveoli that allow this: they give the lungs a really big surface area. they have moist, thin walls (just one cell thick) they have a lot of tiny blood vessels called capillaries.for more information go to the website below › bitesize › guidesi hope this you for what your looking for. can you plz mark me brainliest?