B. because polar bears eat seals, and if the seals are hunted then there is less for them to eat and their species ends up decreasing.
Answer:
That's Mr.Opposite of handsome gorilla.........
1) resting metabolic rate (RMR); 2) the thermic effect of feeding (TEF); and 3) the thermic effect of activity (TEA). RMR constitutes 60 to 75% of daily energy expenditure and is the energy associated with the maintenance of major body functions.
A microscope was nessecary to observe cells.