Que tiene que ver la respiración normal con la respiracion celular?

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture

Under which of the following circumstances would natural selection not operate on an organism