Which statement best describes lactic acid fermentation? A. Lactic acid fermentation is the final stop of cellular respiration.

B. Lactic acid fermentation is the first step of cellular respiration.

C. In the absence of oxygen, cells released ATP by breaking down lactose into glucose

D. In the absence of oxygen, cells released ATP by breaking down glucose into lactate.

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

Name the organs of humanelemintary canal.