Question

Which of the following represents change to an ecosystem brought about by abiotic factors?

a.
the decrease in plant populations due to a decrease in the available water supply
b.
the increase in a predator population due to the increase in prey population
c.
the decrease in plant species due to herd grazing
d.
the extinction of a plant species due to bacterial infection

Answer 1

I believe the correct answer from the choices listed above is option A. It would be the decrease in plant populations due to a decrease in the available water supply would represent change to an ecosystem brought about by abiotic factors. Hope this answers the question.

Answer 2

The answer is A. Abiotic factors are the non-living parts of a species’ habitat. Examplses of abiotic factors are water, moiuntains, wind, rain, temperatuatres, and etcetera. Abiotic factors are significant in an ecosystem because they affect the biotic factors in that they affect their growth and development of organisms in the ecosystem and also their reproduction.