Question
Q. Consider the following Species:
Which of the above given species can be classified as invasive species?
- Carrot Grass
- Nile Perch
- Eicchornia
Which of the above given species can be classified as invasive species?
Answer: Option B
:
B
Explanation:
An alien species is a species introduced outside its natural past or present distribution; if this species becomes problematic, it is termed an invasive alien species (IAS).
Option 1, 2 and 3 are correct:
When alien species are accidentally or purposely introduced for whatever reason, some of them become invasive, causing the decline or extinction of indigenous species. The Nile perch introduced into Lake Victoria in eastern Africa eventually contributed to the extinction of an ecologically specific assembly of more than 200 species of cichlid fish in the lake. Carrot grass(Parthenium), Lantana and water hyacinth (Eicchornia) are some other invasive species.
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:
B
Explanation:
An alien species is a species introduced outside its natural past or present distribution; if this species becomes problematic, it is termed an invasive alien species (IAS).
Option 1, 2 and 3 are correct:
When alien species are accidentally or purposely introduced for whatever reason, some of them become invasive, causing the decline or extinction of indigenous species. The Nile perch introduced into Lake Victoria in eastern Africa eventually contributed to the extinction of an ecologically specific assembly of more than 200 species of cichlid fish in the lake. Carrot grass(Parthenium), Lantana and water hyacinth (Eicchornia) are some other invasive species.
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