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प्रश्न
Why only left ovary and oviduct arc present in birds?
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उत्तर १
Only left ovary and oviduct are present in birds to reduce body weight and is an adaptation for flying.
उत्तर २
Only left ovary and oviduct are present in birds to reduce body weight and is an adaptation for flying.
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संबंधित प्रश्न
According to Abiogenesis, life originated from
(1) Non-living matter
(2) Pre-existing life
(3) Oxygen
(4) Extra-terrestrial matter
Long answer question.
By taking industrial melanism as one example. Explain the concept of natural selection.
Define the term ‘Mendelian population’.
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______ changes the genes rearrangement (order or sequence) resulting in variation.
Which of the following is TRUE for genetic drift?
Genetic drift is more significant in ______
Black colored form became dominant over the light colored form in England during industrial revolution after 1845. This can be owed to ______.
Natural selection of black winged moth (Biston carbonaria) over white winged moth (Biston betularia) occurred due to ____________.
Write short note on Gene pool.
