Question

q1 - how does the use of herbicides damage natural food chains
q2 - how does the use of insecticides increase the mass of grown food
q3 - how does the use of insecticides damage natural food chains

Answer 1

Explanation:

1.The herbicides are used as the chemicals used for killing unwanted plants to save the other plants from lack of nutrition, but farmers are using more and more herbicides which not only affects the ecosystem but also the growth of the plant

by using more and more of this chemicals the weed plants develops resistence to that chemicals and the poisons the crop plant

2.The insecticides are the chemicals which used for destroying the insects which destroy the plants by sucking the phloem of the plant,so this chemicals affects the insects to reduce their population

3.As we discussed above the insecticides are to kill pests on the Agri field,by over use of these chemicals the pests develops resistence towards

the chemicals and passes these variations to their offsprings which would increase their number,so it kills the useful insects which would kill the pests for their food like ladybird etc.

Answer 2

Explanation:

q1 - how does the use of herbicides damage natural food chains

q2 - how does the use of insecticides increase the mass of grown food

q3 - how does the use of insecticides damage natural food chains