Identify correct set of organisms in which one organism causes the extinction of the other respectively.

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Indigenous cat fishes and Clarias gariepinus

Steller’s sea cow and passenger pigeon

Nile perch and cichlid fishes

Nile perch and Clarias gariepinus

answer is C.

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Detailed Solution

(i) Cichlid fish which is found in Lake Victoria led to extinction of nearly 200 species which introduced Nile Perch into Lake Victoria.

(ii) The invasive of species such as carrot grass (Parthenium), Lantana and water hyacinth (Eicchornia) led to environmental damage of the native species.

(iii) The indigenous catfishes found in rivers are a major species of extinction by the introduction of African catfish Clarias gariepinus which is a major advantage for aquaculture purposes.

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