Question

why is there an ecological imbalance

Answer 1

When an organism becomes extinct there is an ecological imbalance.

For eg snakes eat rats and so there is an ecological balance.
if the snakes become extinct there would be an increasing rate in number of rats people will be in trouble and these rats in search of food die.
the vice versa if rats become extinct.

Answer 2

Ecological imbalance is when a natural or human-caused disturbance disruptsthe natural balance of an ecosystem. Adisturbance is any change that causesa disruption in the balance of an ecosystem. After a disturbance occurs, an ecosystem can recover back to abalanced state.

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