PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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The degenerated wing of a kiwi is an acquired character. Why is it an acquired character?
 
a. Kiwis require wings since they must fly .
 
b. Animals' characteristics evolved due to environmental changes .
 
c. Kiwi wing degeneration is due to a lack of usage of wings over generations .
 
d. Kiwi does not have tiny wings and hence is unable to fly .
 
e. The vestigial wings are small in kiwi under the bristly, hair-like two-branched feathers.
 
f. The degeneration of a kiwi's wing is an inherited trait .