B. is the answer hope this helps
A vacuole takes up majority of a plant cell when full (it's job is to hold the liquids of the cell and plants require a lot of water to function).
Answer:
On the basis of the given information, the six goldfish are taken in distinct sized aquarium to examine the influence of habitat space on the rate of survival of the fishes. The kind and amount of food, cleanliness, and temperature are maintained similarly.
Thus, with the help of the information one can state that:
A. The size of the aquarium is the independent variable.
B. The number of fish survived after six months is the dependent variable.
C. Water temperature, the kind of amount of food, maintenance, and cleanliness of aquariums are the controlled variables or the constants.
In the controlled experiments, there are dependent and independent variables. The independent variable will get modify generally and is compared to the control. The variable, which is determined in an experiment is considered as the dependent variable. It relies upon the independent variable of the experiment. The control group in an experiment is created similar in each circumstance in an experiment. The control group is the one, which is compared with the experimental group.
Answer:
B12 (cobalamin): Perhaps the most well-known of all the B vitamins, B12 is vital for neurological function, DNA production and red blood cell development. B12 is found naturally in animal sources like meats, eggs, seafood and dairy.
The answer is D . Pressure causes water and dissolved substances to filter though capillary walls of the glomerulus .
