Question

Define connecting link (in regard to evolution) and give its one example from vertebrates.

Solution

Connecting links. Certain animals are found which indicate the evolution of one from another because in those the characteristics of both the groups are represented. For example, platypus, lung fishes, oviparous mammals. These animals are called connecting links.

Some More Questions From Evolution Chapter

Mention the type of nutrition in the cells originated first during the origin of life.

Which group of organisms were responsible for appearance of free oxygen in the atmosphere of the primitive earth ?

What is meant by the term fossil ?

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Evolution

Define connecting link (in regard to evolution) and give its one example from vertebrates.

Some More Questions From Evolution Chapter

Mention the type of nutrition in the cells originated first during the origin of life.

Which group of organisms were responsible for appearance of free oxygen in the atmosphere of the primitive earth ?

What is meant by the term fossil ?

What is the type of evolution in which the same structure developed along different directions due to adaptations to different needs ?

Name the different eras of geologic time scale.

What is single step large mutation?

Consider a thorn in Bougainvillea and a tendril in cucurbita. Are these two organs homologous or analogous ? Give reason.

Give two examples that represent adaptive radiation.

Which theory attempts to explain to us the origin of universe?

Evolution is a discontinuous process. Is it correct ?

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