Cutting down trees has a negative impact on an ecosystem.
Plants include trees.
Cutting down plants has a negative impact on the ecosystem.
Doing what to plants has a negative impact on the ecosystem?
Options:
(a) planting them
(b) deforestation
(c) cutting them down
(d) Pesticides
(e) watering them
(f) massive damage
(g) sitting under them
(h) Abnormal cell growth