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प्रश्न
Introduction of alien species has led to environmental damage and decline of indigenous species. Give any one example of how it has affected the indigenous species?
उत्तर
- Nile perch introduced in Lake Victoria eventually led to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish.
- Parthenium/Lantana/water hyacinth caused environmental damage and threat to our native species
- African catfish-Clarias gariepinus introduced for aquaculture purposes is posing a threat to the indigenous catfishes in our rivers. (Any one)
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संबंधित प्रश्न
Write the hypothetical proposals put forth by Oparin and Haldane.
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Select the options that are true for both asexual and sexual reproduction from the options given below:
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- Gametic fusion takes place
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- Reduction division takes place
- Progeny have some resemblance with parents
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