State the modifications of forelimb in animals as an example of homology.
State the modifications of forelimb in animals as an example of homology.
The forelimb of vertebrates are pentadactyl i.e. consist of same bones humerous, radius, ulna, carpals, metacarpals and phalangers but differ in their function in different organisms.
The forelimbs of the following animals got modified as shown below : $(i)$ Whale are modified for swimming. $(ii)$ Bat and birds are modified for flying. $(iii)$ Horse are modified for running. $(iv)$ Frog are modified for leaping. $(v)$ Man are modified for grasping.
Similar Questions
The original birds were ________, from which the various Darwin’s finches arose.
The original birds were ________, from which the various Darwin’s finches arose.
$A$ : Placental wolf and Tasmanian wolf (a marsupial) show convergent evolution.
$R$ : Like marsupials placental mammals in other parts of world also exhibit adaptive radiation in evolving into varieties of such placental mammals each of which appears to be similar to a corresponding marsupial.
$A$ : Placental wolf and Tasmanian wolf (a marsupial) show convergent evolution.
$R$ : Like marsupials placental mammals in other parts of world also exhibit adaptive radiation in evolving into varieties of such placental mammals each of which appears to be similar to a corresponding marsupial.
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- [NEET 2019]
The phenomenon of evolution of different species in a given geographical area starting from a point and spreading to other habitats is called
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- [NEET 2020]