Which steps will prevent the introduction of invasive species into an area?

a. inspect imported exotic species of plants and animals.

b. educate the general public about activities that can lead to the spread of invasive species.

c. use pest control methods for native pests, such as rats and harmful bugs.

d. implement conservation methods to restore endangered populations of native animals to the area.

The answer is D

Explanation:

An invasive species is an introduced organism that negatively alters its new environment. Although their spread can have beneficial aspects, invasive species adversely affect the invaded habitats and bioregions, causing ecological, environmental, and/or economic damage. Sometimes the term is used for native species that invade human habitats and become invasive pests. In the 21st century they have become a serious economic, social, and environmental threat.

correct answer is a. and d.