|
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 |
Answers |
| (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? |
|
|