Which of the following statements could account for the change in population seen
between years 7 and 8?
A. The birth rate of the pigeons increased.
B. The emigration rate of the pigeons
decreased.
C. The death rate of the pigeons exceeded
the birth rate,
D. The neighborhood reached its carrying
capacity for the pigeon population,

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?