Explanation:
Knowing about tolerance can help an unaware individual or an individual in denial realize that their drug use is progressing to a dangerous level and may soon lead to an addiction. Usually, tolerance develops because metabolism of the drug speeds up (often because the liver enzymes involved in metabolizing drugs become more active) and because the number of sites (cell receptors) that the drug attaches to or the strength of the bond (affinity) between the receptor and drug decreases.
<h2>Answer:</h2>
Paramecium is the single celled organism (unicellular).
<h3>Explanation:</h3>
- An organism which contain only one cell is known as unicellular organism.
- Paramecium is the unicellular parasite. It can move and digest food.
- In its structure there are food vacuoles for the digestion of food.
- Paramecium is the eukaryotic organism because it has a well organised cell with distinct nuclear membrane.