Pests can be controlled without the subsequent danger of ...
Pests can be controlled without the subsequent danger of polluting the ecosystem by
introducing a population of species similar to that of the pest
increasing the population of the natural enemies of the pest
eliminating the natural enemies of the pest
keeping the population of natural enemies of the pest constant
spraying the ecosystem with pesticide
Correct answer is B
No explanation has been provided for this answer.
The part of the skin which is excretory in function is the ...
The CORRECT order for the test is? ...
Which organism in the food-web illustrated above is an omnivore? ...
Which of the following structures produces the greatest variety of digestive enzymes? ...
The lumbar vertebra when compared with a thoracic vertebra has a ...
The remains impressions of animals and plants preserved in rocks are referred to as ...
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Which of the following statements about blood groups in human is not correct? ...