Question

when an alien species (plant and animals) that doesn't belongsto an ecosystem is introduced it's spreads and competes with the native plants for space and nutrients and becomes problematic in the absence of natural enemies this introduction are called invasive alien species


what are the ill effect of an invasive species like water hyacinth
(i) blockage of Sunlight from reaching native injective plant
(ii) Starving the water of carbon dioxide
(iii) domination and phasing out of fish and other native species
(iv) change in the water quality with respect to the dissolved Oxygen and the water pH due to release of carbon dioxide
(v) Starving the water of oxygen
(vi)desilting of the water body
(vii) an increase in alage Bloom mosquito infection due to dense matting and decreased water flow
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Answer 1

Answer:

3,4,5 are the best suited options

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