The process by which water is "pulled" up through the xylem columns of plants as it evaporates out of the leaves is called
A. respiration.
B. transpiration.
C. osmosis.
D. anhydration.
E. stomatization.
B. transpiration.
Transpiration is evaporation of water through the stomata. Because water molecules stick to one another through cohesion, as one water molecule evaporates it pulls other water molecules up towards the stomata.
You might also like to view...
A number of species have declined in abundance around Boston, Massachusetts, since Thoreau's time. These tend to be:
A. the plants least able to change their flowering time. B. the plants that have changed their flowering time the most. C. the plants that have the earliest flowering time. D. the plants that have the latest flowering time. E. None of the above.
An unidentified cell was found to contain introns and exons. It also expresses DNA polymerase and RNA polymerase. Although it exhibits a promoter region, it has no operons. You conclude that this cell
A. is either a prokaryotic or eukaryotic cell. B. is actually a virus. C. is eukaryotic. D. is prokaryotic.
Genetic engineering has
A. reduced genetic diversity. B. expanded scientists' ability to modify domesticated plants and animals. C. created entirely new species. D. produced interspecific hybrids.
Where does glycolysis take place in a cell?
A.) cytoplasm B.) mitochondria C.) cell membrane D.) lysosome