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प्रश्न
Which of the following statements is correct?
विकल्प
Parthenuim is an endemic species of our country
African catfish is not a threat to indigenous catfishes.
Steller' s sea cow is an extinct animal
Lantana is popularly known as carrot grass
उत्तर
Steller's sea cow is an extinct animal
Explanation:
The Steller's sea cow (from Russia) is a recently extinct mammal, and parthenuim (carrot grass) is an alien weed that spreads quickly and harms native species.
African catfish is likewise an alien species that has a negative impact on the growth of our native species, claires batrachus.
Another alias species, Lantana camara, is a powerful competitor of native species.
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संबंधित प्रश्न
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.
'The Evil Quartet' is a concept which describes the ______.
What are the major factors that are responsible for the loss of biodiversity? What steps are needed to prevent them?
What is common to lantana Eichhomia and African catfish?
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
List any two major causes other than anthropogenic causes of the loss of biodiversity.
There was a loss of biodiversity in the ecosystem due to a new construction project in that area. What would be its impact on the ecosystem? State any three.
Which of the following suits hotspots in ecological terminology?
Which one of the following is a pair of endangered species?
