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Question
Which animal swims by jet propulsion mechanism?
Which animal swims by jet propulsion mechanism?
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Solution
The correct option is D Sepiida
- The cuttlefish/ Sepiida belongs to the group of Cephalopoda.
- They can swim by using their fins. They move by sweeping water from its body. This is known as the type of jet propulsion for movement.
- The water flows into the mantle cavity and over the gills through an opening by the head.
- The mantle builds internal pressure by sealing off all orifices, with the exception of a tube called the funnel or siphon.
- The thick muscles of the mantle wall contract and squeezes the water out of the narrow funnel with enough force to propel the animal in a speedy bust. This is known as the water or jet propulsion mechanism.
- Thus, the correct answer is option D.
- The cuttlefish/ Sepiida belongs to the group of Cephalopoda.
- They can swim by using their fins. They move by sweeping water from its body. This is known as the type of jet propulsion for movement.
- The water flows into the mantle cavity and over the gills through an opening by the head.
- The mantle builds internal pressure by sealing off all orifices, with the exception of a tube called the funnel or siphon.
- The thick muscles of the mantle wall contract and squeezes the water out of the narrow funnel with enough force to propel the animal in a speedy bust. This is known as the water or jet propulsion mechanism.
- Thus, the correct answer is option D.
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