The answer is B. Shark. This is because sharks are a "sea" creature. So they will only be found in the ocean OR in a salt-water aquarium.
D)all of the above
<span>Homeostasis is the property of a system, either open or closed, that regulates its internal environment and tends to maintain a stable, constant condition within an organism. (Eg controlling amount of sugar in the bloodstream, keeping waste levels at acceptable levels.) </span>
<span>Opening and closing stomata controls the gas levels within the plant. </span>
<span>Converting excess sugar molecules to a lesser number of starch molecules regulates sugar levels. </span>
<span>Excreting waste through the cell membrane prevents waste build-up.</span>
C is shows all ages in that country or area and which is declining as which is growing
Its false hope this helps you any