Jellyfish are beautiful creatures in the ocean. How do they move? PHP editor Yuzi will reveal this problem today. This issue of "Magical Ocean" will answer the questions about the main movement methods of jellyfish, and provide you with two options for you to choose: water jet propulsion or floating with the ocean current. Want to know the correct answer? Come read more and discover the amazing way jellyfish move!
Question: How do jellyfish mainly move?
Options:
1. Water jet propulsion
2. Floating with the current
Answer: Water jet propulsion
Answer analysis:
1. The shape of the jellyfish is like a transparent umbrella, and the diameter of the umbrella-shaped body can reach about 2 meters.
2. Jellyfish do not have specialized digestive systems, osmotic pressure adjustment systems, respiratory systems and circulatory systems.
3. It shrinks the shell and squeezes the inner cavity, changes the volume of the inner cavity, sprays out the water in the cavity, and moves by water jet propulsion.
The above is the detailed content of Today's answer to Magic Ocean 8.24: How do jellyfish mainly move?. For more information, please follow other related articles on the PHP Chinese website!