Which of the following statements are correct?

  • A
    $A$. The Amazon rainforest being cut and cleared for cultivation of soyabeans is an example of habitat loss.
  • B
    $B$. Steller's sea cow and passenger pigeon became extinct due to over-exploitation by humans.
  • C
    $C$. The Nile perch introduced into Lake Victoria in East Africa helped in population growth of cichlid fish in the lake.
  • D
    $D$. Water hyacinth is an invasive species.

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Similar Questions

Match the category in Column-$I$ with their description in Column-$II$.
Column-$I$Column-$II$
$i$. Extinct$a$. Decline in species population from $50\%$ to $70\%$ over last $10$ years.
$ii$. Endangered$b$. Species that are abundant.
$iii$. Vulnerable$c$. Species of which its last individual has died.
$iv$. Least concern$d$. Decline in species population from $30\%$ to $50\%$ over last $10$ years.

The given pie chart represents the biodiversity of invertebrates. Identify $a, b, c,$ and $d$.

Why are coral reefs not found in the regions from West Bengal to Andhra Pradesh,but are found in Tamil Nadu and on the east coast of India?

In the given pie chart representing the global biodiversity of plants,what do '$P$' and '$Q$' represent respectively?

$A$ - Loss of biodiversity in a region may lead to an increase in plant production.
$R$ - Loss of biodiversity in a region may lead to lowered resistance to environmental perturbations such as drought.

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