Which of the following is the example of adaptive radiation?a)Only Aus...
Adaptive Radiation Example: Darwin Finches and Australian Marsupials
Adaptive radiation is the process in which a single ancestral species diversifies into a variety of different forms to exploit different ecological niches. This can lead to the evolution of various species with distinct characteristics. One example of adaptive radiation is seen in Darwin finches and Australian marsupials.
Darwin Finches:
- Darwin's finches are a group of finches that evolved in the Galapagos Islands, each with a different beak shape and size adapted for specific diets.
- These finches diversified from a common ancestor into different species based on the availability of food sources on different islands.
- The variation in beak size and shape allowed the finches to exploit various food sources, leading to the evolution of different species.
Australian Marsupials:
- Australian marsupials also provide an example of adaptive radiation, with various species evolving to fill different ecological niches on the continent.
- Marsupials like kangaroos, koalas, and wombats have evolved unique adaptations for survival in different habitats across Australia.
- The diversity of marsupials in Australia is a result of adaptive radiation, where different species have evolved to occupy specific niches in the ecosystem.
Conclusion:
Both Darwin finches and Australian marsupials are examples of adaptive radiation, where a single ancestral species diversified into multiple species with distinct characteristics to exploit different ecological niches. This process highlights the importance of adaptation and natural selection in driving species diversification.
Which of the following is the example of adaptive radiation?a)Only Aus...
Refer ncert u'll get the explanation