Answer:
Casts are cylindrical bodies formed either in the distal convoluted tubules or the collecting ducts of the kidney. Since the walls of the tubule act as a mold for cast formation, the width of the tubule determines the width of the cast.
Explanation:
This is how cast formed.
<span>The answer is B, a euglena uses a flagella in order to move. Euglena is a one celled organism under the Kingdom Protista. A flagella (or flagellum plural) is a long strand like structure that is located in the front end part (more like a tail in front). It flips to the left and right in order for the organism to move. It is connected to the reservoir, which contains the storage of food for the organism.<span>
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