Give an example where more than one adaptive radiations have occurred in an isolated geographic
area. Name the type of evolution your example depicts and state why it is so named.
Give an example where more than one adaptive radiations have occurred in an isolated geographic
area. Name the type of evolution your example depicts and state why it is so named.
When more than one adaptive radiation appear to have occurred in an isolated geographical area and two or more groups of unrelated animals come to resemble each other for similar mode of life or habitat, it is called convergent evolution.
Convergent evolution of Australian marsupials and placental mammals are example of this evolution.
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Darwin's finches discovered from the Galapagos
Darwin's finches discovered from the Galapagos
Assertion : Darwin's finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds.
Reason : Ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found competitor-free new habitats.
Assertion : Darwin's finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds.
Reason : Ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found competitor-free new habitats.
- [AIIMS 2005]
Explain the interpretation of Charles Darwin when he observed a variety of small black birds on Galapagos Island ?
Explain the interpretation of Charles Darwin when he observed a variety of small black birds on Galapagos Island ?
Write and explain the conclusion Darwin arrived at after observing the variation seen in the beaks of finches during his sea voyage
Write and explain the conclusion Darwin arrived at after observing the variation seen in the beaks of finches during his sea voyage