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Question
This is a image of a comb jelly.
Name the structure denoted by A?
This is a image of a comb jelly.
Name the structure denoted by A?Open in App
Solution
The correct option is A Comb rows
The label A in the image shows comb rows. Comb jelly has eight "comb rows". These are formed from the fused cilia. The cilia are arranged along the sides of the animal. Most species have eight strips which are called as comb rows. These are present throughout their bodies. These strips bear the comb-like bands of cilia which are called as 'ctenes'. These are stacked along the comb rows, so that when the cilia beat, those of each comb touch the comb below. These cilia beat synchronously and propel comb jellies through the water. Thus, the correct answer is option A.
The label A in the image shows comb rows. Comb jelly has eight "comb rows". These are formed from the fused cilia. The cilia are arranged along the sides of the animal. Most species have eight strips which are called as comb rows. These are present throughout their bodies. These strips bear the comb-like bands of cilia which are called as 'ctenes'. These are stacked along the comb rows, so that when the cilia beat, those of each comb touch the comb below. These cilia beat synchronously and propel comb jellies through the water.
Thus, the correct answer is option A.
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