Hierarchy - I don’t think I have the full context of the question but the word fits the best of its biology related
Answer:
Salinity in an estuary varies according to one's location in the estuary, the daily tides, and the volume of fresh water flowing into the estuary. In estuaries, salinity levels are generally highest near the mouth of a river where the ocean water enters, and lowest upstream where freshwater flows in.
Explanation:
Facilitated diffusion does not use cellular energy.
Since the transportation of molecules occurs through the concentration gradient, it doesn’t use cellular energy for transportation of molecules.
Hello
When populations have differences in rituals or behaviors. When populations are separated by rivers, mountains, r bodies of water.
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