The $Jurassic$ period of the $Mesozoic$ era is characterized by:
- AFlowering plants and first dinosaurs appear.
- BGymnosperms are dominant plants and first birds appear.
- CRadiation of reptiles and origin of mammal-like reptiles.
- DDinosaurs become extinct and angiosperms appear.
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Similar Questions
Mark the correct statements:
$I.$ Fitness of individuals means reproductive fitness.
$II.$ Homology in vertebrate brain indicates common ancestry.
$III.$ Theory of acquired characters was given by de Vries.
$IV.$ After industrialization,the white moth did not survive due to predators.
The correct option is:
$I.$ Fitness of individuals means reproductive fitness.
$II.$ Homology in vertebrate brain indicates common ancestry.
$III.$ Theory of acquired characters was given by de Vries.
$IV.$ After industrialization,the white moth did not survive due to predators.
The correct option is:
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View SolutionFollowing are avian characters found in $Archaeopteryx$ $lithographica$,$EXCEPT$ . . . . . . .
The number and kinds of organisms are not constant. How do you explain this statement?
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View SolutionThe cause of aging in mammals,including humans,is:
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View SolutionThe Jurassic period of the Mesozoic era is characterized by:
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