Fossils are dated now by
Stratigraphic position
Amount of calcium residue
Association with other animals
Radioactive carbon $({C^{14}})$ contents
It's Obvious
Which of the following are the wrong statements
$I.$ Organs which are different in basic structure and origin but performs similar functions are called analogous organ
$II.$ Organs with different to basic structure and origin but perform similar functions are called homologous organs
$III.$ Homologous organs lead to convergent evolution
$IV.$ Analogous organ leads to divergent evolution
The correct combination is
Example of convergent evolution.
Which of the following can be used as an industrial pollution indicator?
Thorn of Bougainvillea and tendril of Cucurbita are examples of
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