Question

Which of the following scenarios represents change to an ecosystem brought about by biotic factors?
a.
a wildfire caused by lightning striking a tree
b.
a flood caused by a severe storm
c.
a landslide caused by cattle overgrazing
d.
a volcano


Please select the best answer from the choices provided

A
B
C
D

Answer 1

C

Cattle are living (biotic) organisms; overgrazing by them can destabilize soil and lead to a landslide, so this is a biotic-driven change.