As a human exercises, cellular respiration increases. an increase in cellular respiration causes an increase in cellular co2 levels. co2 diffuses into the blood, where the majority of it is converted to h2co3. an increase in h2co3 will lead to an increased breathing rate due to

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.