According to the U.S. Endangered Species Act (ESA), the ...

[penza]

According to the U.S. Endangered Species Act (ESA), the difference between an endangered species and a threatened one is that
A) an endangered species is closer to extinction.
B) a threatened species is closer to extinction.
C) threatened species are endangered species outside the U.S. borders.
D) endangered species are mainly tropical.
E) only endangered species are vertebrates.

[plus1]

I recall doing this last year, it's A, bye bye!

[penza]

Incredible, thanks for your help!