| Refer to the given figure. It shows wings of two animals X and Y. These wings are Z structures. |
|
| Select the option that correctly identifies X, Y and Z. |
A)
X
Y
Z
Bat
Bird
Analogous
B)
X
Y
Z
Bat
Insect
Homologous
C)
X
Y
Z
Bird
Bat
Homologous
D)
X
Y
Z
Bird
Insect
Analogous
Correct Answer: A
Solution :
Analogous organs (structures) are those organs which have similar functions but are different in their structural details and origin. Wings of bat and bird are analogous organs. Wings of bats are skin folds stretched mainly between elongated fingers, but the wings of a bird are feathery covering all along the arm. The basic designs of the wings of bat and the bird, their structure and components are very different. They only look similar because both are adapted for flying but their origins are different.
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