Question

What are the ill effects of an invasive species like water hyacinth?

i. Blockage of sunlight from reaching native aquatic plants.

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 CO2 .

v. Starving the water of oxygen.

vi. Desilting of the water body

vii. An increase in algae blooms, mosquito infestation due to dense matting and decreased water flow.

a) i , ii, iii, iv, v

b) i, iii, v, vii, iv

c) iii, v, vi, vii

d) iii, iv, v, vi​

Answer 1

Explanation:

it was one of my questions i had for boards

Answer 2

the answer is part ( b ).

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