Question

Practice Question 14
4.1 State two functions of fins in fish.



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Answer 1

Answer:

Two function of fins in fish:

1. to swim

2. ability to steer

Explanation:

Fins typically function as foils that produce lift or thrust, or provide the ability to steer or stabilize motion while traveling in water, air, or other fluids. Fins are also used to increase surface areas for heat transfer purposes, or simply as ornamentation. Fins first evolved on fish as a means of locomotion.

Answer 2

1. there are many fishes and each fish use their fin for different purpose
2. mostly it is used for swiming
3. flying fishes use their fins for gliding
4. frog fish uses for crawling
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