What factors determine the rate of exchange between the alveolus and blood capillaries

Give the biological term for: structures that display characteristics of living organisms only within living cells

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

If a grape were placed in a hypertonic solution what would happen and why?