Which among the following results in an ecological crisis?
Sun
Moon
Planets
An ecological crisis occurs when changes in the environment of a species or population destabilizes its continued survival. Global warming, acid rain and deforestation are disturbances created to lifeforms. They create a drastic effect on the living organisms and prove to be a threat to their survival. While National parks and biodiversity parks are set up to conserve different species of the flora and fauna.