Physical removal of an invasive species is an example of .
a.
mechanical control
c.
biological control
b.
chemical control
d.
all of the above

a. mechanical control

Explanation:

Mechanical control is a method used for controlling of harmful organisms by physical method. Physical means use of barriers, baits and fences are installed in order to kill the invasive specie in the ecosystem. This method is time consuming. Cost of production on the installation of mechanical control is also very high.

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