Which of the Following Best Matches the Description

Which of the following best matches the description?
-Those species that could become extinct if a critical factor in their environment were changed.

A) threatened species
B) clear-cutting
C) reforestation
D) selective harvesting
E) endangered species
F) speciation
G) extinction
H) habitat management
I) cover.
J) patchwork clear-cutting
K) cover
L) biodiversity
M) mutation
N) species diversity