what has a negative impact on the ecosystem when cut down?
humans disturb it scarce resources Smoking disease black spruce swamp vegetation deforestation Pesticides
A B C D E F G H
Black spruce is the dominant tree species.
cutting down black spruces has a negative impact on an ecosystem
what has a negative impact on the ecosystem when cut down? (A) humans disturb it (B) scarce resources (C) Smoking (D) disease (E) black spruce (F) swamp vegetation (G) deforestation (H) Pesticides