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All of them used in conjunction. In the same way both of your legs and the rest of your body are used to help you change direction.
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∙ 14y ago
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Can you give me a sentence using the word fin?
A fish uses it's fin to change direction as it swims.
Where is the location of the pectoral fin and pelvic fin in the perch?
The pelvic fin is in the bottom; toward the front side of the middle. The pectoral fin is on the bottom, in the front. The pectoral fin helps control the direction the perch moves. The pelvic fin also controls the direction it moves. The anal fin is in the bottom back side and helps the fish balance. The dorsal fins are on top, one in the middle one it the back and stabalize the fish and aid in sharp turns. The caudal fin, or the tail, is in the back and helps to propel the fish through the water.
How does a fin of a fish function?
Because the shape of a fin is flat and thin, it has a very narrow cross-section in one direction and a much larger cross-section in a perpendicular direction, consequently, a fish can use the fin to guide its motion through water; effectively, the fin makes it easier for a fish to move in a forward direction and less likely to slip sideways. There are also movable fins which can be used to actively push the fish in the direction it wishes to go.
What do you call the tail fin on a fish?
The tail fin acts as a rudder on a ship would.Turning the fish in whichever direction it wants to go in.
How many fins does a fins have?
Most fish typically have 7 fins in total. - The dorsal fin. Prevents fish from rolling. - Adipose Fin. Makes the fish hydrodynamic. - Caudal Fin (tail). Propels the fish through the water. - Pectoral fin (x2). helps the fish steer and halt. - Pelvic fin. Helps the fish steer and halt. - Anal fin. Keeps the fish from rolling.
What is the name of the top fin on a fish?
It's the ventral fin and My best Guess to it's purpose is that it helps stablize the forward movement in the fish, bit like the skegs on kayaks. possibly gives some direction control, like a rudder, and streamlining as well
What does the bottom fin on fish do?
The bottom fin on a fish acts like a keel on a boat. It helps keep the fish right side up in the water.
What helps the fish move up and down?
the left fin or also known as the dorsal fin
How many fins does a fish have?
2 fins
Why do fish have tail fins?
To swim..? If you mean the fin on top of their bodies then it helps stabilize them.
How does the fin on top help the fish?
it helps it cut through the water
How does a dorsal fin help a fish?
they turn it to change directions when swimming
