(A) The presence of feathers in both dinosaurs (reptiles) and birds suggests an evolutionary relationship. Feathers were initially evolved in some din

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birds have evolved from reptiles

(A) The presence of feathers in both dinosaurs (reptiles) and birds suggests an evolutionary relationship. Feathers were initially evolved in some dinosaurs for insulation or display,not for flight. Later,these structures were adapted for flight in birds. This indicates that birds share a common ancestor with these feathered dinosaurs,supporting the theory that birds have evolved from reptiles.

Class 10 Science Heredity Mix Examples - Heredity and Evolution

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Some dinosaurs had feathers although they could not fly,but birds have feathers that help them to fly. In the context of evolution,this means that:

A
birds have evolved from reptiles
B
there is no evolutionary connection between reptiles and birds
C
feathers are homologous structures in both the organisms
D
reptiles have evolved from birds

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Mix Examples - Heredity and Evolution

Select the correct statement.

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If a population of red beetles,living on green bushes,is being eaten by crows. During sexual reproduction,a green beetle is found in the progeny.
$(a)$ What is the future of the new trait?
$(b)$ Will it survive in the new habitat?

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Select the incorrect statement.

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$(a)$ Which type of organs are shown in the figure below?
$(b)$ What is the origin and structure of these organs?

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Variation is useful for the survival of species over a long time. However,the variants have unequal chances of survival. Explain this statement.

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Some dinosaurs had feathers although they could not fly,but birds have feathers that help them to fly. In the context of evolution,this means that:

Similar Questions

Select the correct statement.

If a population of red beetles,living on green bushes,is being eaten by crows. During sexual reproduction,a green beetle is found in the progeny.$(a)$ What is the future of the new trait?$(b)$ Will it survive in the new habitat?

Select the incorrect statement.

$(a)$ Which type of organs are shown in the figure below?$(b)$ What is the origin and structure of these organs?

Variation is useful for the survival of species over a long time. However,the variants have unequal chances of survival. Explain this statement.

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If a population of red beetles,living on green bushes,is being eaten by crows. During sexual reproduction,a green beetle is found in the progeny.
$(a)$ What is the future of the new trait?
$(b)$ Will it survive in the new habitat?

$(a)$ Which type of organs are shown in the figure below?
$(b)$ What is the origin and structure of these organs?