Artificial – Man-made
Not naturally occurring, man-made.
The man made himself a new artificial leg so he could run faster.
Artificial or man-made influences on an ecosystem can take many forms.
When the Hoover dam was built in the Mojave desert, it blocked the Colorado river, flooding the land to create Lake Mead.
Pesticides used on crops control the number of unwanted insects and plants within a field.
However over 95% of sprayed pesticides affect other areas or species that they were not intended for.
Rubbish and other waste can trap animals.