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Wings of birds and bats are considered analogous structures because th

June 1, 2025 by rawan239

Wings of birds and bats are considered analogous structures because they have

common origin and common function

different origin and common function

common origin and different function

different origin and different function

This question was previously asked in

UPSC CDS-2 – 2020

Download PDF Attempt Online

Wings of birds and bats are considered analogous structures because they have different origin and common function.

Analogous structures are features in different species that perform the same function but have evolved independently from different ancestors. This is a result of convergent evolution, where different organisms adapt to similar environments or ecological niches. Bird wings evolved from forelimbs of reptilian ancestors, while bat wings evolved from the forelimbs of mammalian ancestors, and their skeletal structures are fundamentally different, reflecting their distinct evolutionary paths. However, both structures serve the purpose of flight. Homologous structures, in contrast, have a common evolutionary origin but may have different functions (e.g., the forelimbs of humans, bats, whales, and birds all originated from a common tetrapod ancestor but are used for different activities like grasping, flying, swimming).

Studying analogous and homologous structures helps scientists understand evolutionary relationships and the processes of adaptation and diversification. Analogous structures illustrate how natural selection can lead to similar solutions for similar environmental challenges in unrelated organisms.

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