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Something like these?
the fishes body form is made in to a shape of a football which makes it easier for the fish to move, there a shiny pillets on the fish which help the fish turn
A streamlined shape can allow the fish to have less friction in the water and allowing it to move faster and quicker
It helps overcome water resistance in swimming.
Their bodies are streamline to help them swim through water quickly against water resistance (a force) . What pushes them backwards is water resistance
Yes they do and it is used for swimming.Extra:Their streamlined body shape also helps them swim faster in water as it reduces the water resistance (also known as friction) between the water and the penguin.
The characteristics of water flow determine the shape of the hull; mainly resistance and turbulence.
It is streamlined so the pressure of the water on its scales are kept to a minimum.
air resistance can be reduced by making the object that takes the air resistance stremlined. this means to make the object into a certain shape that alowes air to flow over the same is done in water but with a different shape
Fish use their fins and tail to propel forward. Also, the streamlined shape of their bodies overcome water resistance, allowing them to move easier and quicker.
No it helps keep them warm though!
erodes land
it helps in reducing resistance in water
The shape of a perch's stomach helps it to digest its food easily. It's shape also helps it to swim effortlessly through the water.
yes ... its helps it to swim through water-resistance