In one or two sentences, describe

how an invasive species can be
introduced into an ecosystem by
humans. Name a specific situation
and species and how it would affect
the ecosystem.

An invasive species can be introduced into an ecosystem by humans through activities such as accidental transport on ships or intentional introduction for agriculture or pet trade. For example, the introduction of Burmese pythons to the Florida Everglades has led to a decline in native mammal populations due to predation.