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Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?
i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.
ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.
iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.
iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.
- a)A: i and iii
- b)B: i, ii, and iv
- c)C: ii and iv
- d)D: i, iii, and iv
Correct answer is option 'A'. Can you explain this answer?
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Which of the statements given above is/are correct regarding alien spe...
Understanding Alien Species Invasions and Co-extinctions
Alien species invasions and co-extinctions are critical ecological issues impacting biodiversity. Let's analyze the statements provided:
Statement i: Nile Perch in Lake Victoria
- The introduction of Nile perch has indeed caused significant declines in indigenous cichlid fish species. This is a well-documented case of how an invasive species can disrupt local ecosystems and lead to the extinction of native species.
Statement ii: Invasive Weed Species
- This statement is incorrect. Invasive species like Lantana and water hyacinth pose substantial threats to native species by outcompeting them for resources, altering habitats, and disrupting local ecosystems. They can lead to the decline or extinction of native flora and fauna.
Statement iii: Co-extinctions
- Co-extinctions occur when the extinction of one species leads to the extinction of another that relies on it for survival, often seen in mutualistic relationships. This statement is correct, as the loss of a species can have cascading effects on its ecological partners.
Statement iv: African Catfish Introduction
- The African catfish (Clarias gariepinus) has been legally introduced into rivers in various regions for aquaculture. This statement is accurate and reflects the practice of using certain fish species to enhance aquaculture productivity.
Conclusion
- Based on the analysis, statements i, iii, and iv are correct, while statement ii is false. Therefore, the correct answer is option 'A': i and iii.
Understanding these dynamics is crucial for conservation efforts and managing biodiversity effectively.
Alien species invasions and co-extinctions are critical ecological issues impacting biodiversity. Let's analyze the statements provided:
Statement i: Nile Perch in Lake Victoria
- The introduction of Nile perch has indeed caused significant declines in indigenous cichlid fish species. This is a well-documented case of how an invasive species can disrupt local ecosystems and lead to the extinction of native species.
Statement ii: Invasive Weed Species
- This statement is incorrect. Invasive species like Lantana and water hyacinth pose substantial threats to native species by outcompeting them for resources, altering habitats, and disrupting local ecosystems. They can lead to the decline or extinction of native flora and fauna.
Statement iii: Co-extinctions
- Co-extinctions occur when the extinction of one species leads to the extinction of another that relies on it for survival, often seen in mutualistic relationships. This statement is correct, as the loss of a species can have cascading effects on its ecological partners.
Statement iv: African Catfish Introduction
- The African catfish (Clarias gariepinus) has been legally introduced into rivers in various regions for aquaculture. This statement is accurate and reflects the practice of using certain fish species to enhance aquaculture productivity.
Conclusion
- Based on the analysis, statements i, iii, and iv are correct, while statement ii is false. Therefore, the correct answer is option 'A': i and iii.
Understanding these dynamics is crucial for conservation efforts and managing biodiversity effectively.
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Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer?.
Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET.
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Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Which of the statements given above is/are correct regarding alien species invasions and co-extinctions?i. The introduction of the Nile perch in Lake Victoria caused the decline of indigenous cichlid fish species.ii. Invasive weed species such as Lantana and water hyacinth do not pose a significant threat to native species.iii. Co-extinctions occur when a species extinction leads to the extinction of its associated mutualistic partners.iv. The African catfish Clarias gariepinus has been legally introduced into rivers for aquaculture purposes.a)A: i and iiib)B: i, ii, and ivc)C: ii and ivd)D: i, iii, and ivCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
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