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Movement in Water

Reference chapter

Question 3
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The drawings show the arrangement of the bones in the forelimbs of two mammals, the dolphin and the bat.


Forelimb of a bat	Forelimb of a dolphin

Questions

(a) How is the dolphin's limb different from a human arm?

(b) What is the limb of a dolphin used for?

(c) How is the limb of the bat different from a human arm?

(d) How do you think that the arrangement of bones in the wing of a bat help it to fly?

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