Answer:
In the English language, the word scent is used specifically for a kind of smell that is pleasant or has fragrance.
On the other hand, in the English language, the word smell is used to describe any kind of odour. The odour might be pleasant or not pleasant. It can be good as well as bad. Smell refers to any kind of smell which our olfactory receptors can determine.
Multicellular organisms can be much larger and more complex. This is because the cells of the organism have specialized into many different types of cells such as nerve cells, blood cells, muscle cells all performing different functions. So, most likely, a pond organism is unicellular.
The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.
Explanation:
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