Mark the correct statements.

a) Endangered species are species that are at risk of becoming extinct.
b) Many species have become endangered as the result of human activity such as hunting.
c) Because Finland is a northern country, its species are not threatened by climate change.
d) The destruction of old natural forests has increased the number of endangered species.
e) Species can be endangered as a result of environmental toxins and pollution.
f) The development of agriculture and forestry has decreased the number of endangered species.
h) The squirrel is an endangered species.
i) The flying squirrel is an endangered species.