344943
Statement A :
When alien species are introduced unintentionally or deliberately for whatever purpose, some of them cause decline or extinction of indigenous species.
Statement B :
The Nile perch introduced into Lake Victoria in West Africa led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake.
344943
Statement A :
When alien species are introduced unintentionally or deliberately for whatever purpose, some of them cause decline or extinction of indigenous species.
Statement B :
The Nile perch introduced into Lake Victoria in West Africa led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake.
344943
Statement A :
When alien species are introduced unintentionally or deliberately for whatever purpose, some of them cause decline or extinction of indigenous species.
Statement B :
The Nile perch introduced into Lake Victoria in West Africa led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake.
344943
Statement A :
When alien species are introduced unintentionally or deliberately for whatever purpose, some of them cause decline or extinction of indigenous species.
Statement B :
The Nile perch introduced into Lake Victoria in West Africa led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake.