During the second trimester, energy needs of pregnant women are 340 more kcalories per day than those of nonpregnant women.
Answer:
B. The vacuole is not full and the plant is wilted
Explanation:
When a plant cell is placed in a hypertonic solution, the water inside the cells is drawn out by osmosis. The vacuoles decrease in size. The cytoplasm also shrinks away from the cellulose cell wall and plasmolysis occurs. This causes a lack of structure for the plant and causes it to wilt, or become flaccid.
A population of squirrels is preyed on by small hawks at maturity. the smaller adult squirrels can escape into burrows. the larger adult squirrels can fight off the hawks. after several generations, the squirrels in the area tend to be very small or very large. this is an example of disruptive selection. In disruptive selection, the extreme traits i.e., very small and very large sizes are favoured over intermediate trait i.e., average size.
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