Question

Question 26:
When an alien species (plant or animal) that does not belong to an ecosystem is introduced, it spreads and
competes with the native plants for space and nutrients and becomes problematic in the absence of
natural enemies. These intruders are called invasive alien species.
What are the ill effects of an invasive species like water hyacinth?
i Blockage of sunlight from reaching native aquatic plants.
Starving the water of carbon dioxide
Domination and phasing out of fish and other native species
Change in the water quality with respect to the dissolved oxygen and the water pH due to release
of CO2
Starving the water of oxygen
Desilting of the water body
vi An increase in algae blooms, mosquito infestation due to dense matting and decreased water flow
a) i, ii m IV. v
b) i ll V, vi, 1V
C) Il V, VI, VI
d) ul IV, V, VI​

Answer 1

Answer:

a) one is correct

hope it helps

Answer 2

Answer:

1st one is correct answer