MCQOPTIONS
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| 1. |
What happened when the Nile perch introduced into Lake Victoria in east Africa? |
| A. | Extinction of trees |
| B. | Increase in the number of trees |
| C. | Extinction of cichlid fish |
| D. | Increase in the number of cichlid fish |
| Answer» D. Increase in the number of cichlid fish | |