Which of the following measures is most likely ... - WAEC Biology 2002 Question
Which of the following measures is most likely to cause a damage to the ecosystem in the control of pests
and weeds?
and weeds?
A
Use of ladybird insects to feed on aphids
B
introduction of bacterium to kill larvae of butterfly
C
Introduction of Tilapia fish in ponds to feed on mosquito larvae
D
Spraying insecticides to destroy cotton- stainers in a cotton-field
correct option: d
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