The soil around a lilac bush was watered with a solution containing radioactive phosphorus. Several hours later, radiation was detected in it’s
branches. Through which structures did the radioactive phosphorus read
the branches?
A. stomata

B. guard cells

C. xylem vessels

D. phloem vessels

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.