Which of the following statements are correct?
A. The Amazon rainforest being cut and cleared for cultivation of soyabeans is an example of habitat loss.
B. Steller’s sea cow and passenger pigeon became extinct due to over-exploitation by humans.
C. The Nile perch introduced into Lake Victoria in East Africa helped in population growth of cichlid fish in the lake.
D. Water hyacinth is an invasive species.
E. When a species becomes extinct, the plant and animal species associated with it are not affected.
Choose the correct answer from the options given below:
- A
A, B and E only
- B
A, B and D only
- C
C, D and E only
- D
B, C and D only
The Nile perch introduced into Lake Victoria led to the extinction of over 200 species of cichlid fish, not to their growth, so statement C is wrong.
When a species becomes extinct, its associated plant and animal species also tend to go extinct as co-extinctions, so statement E is wrong.
Statements A, B and D are correct.
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