Question

Which scenario would most likely result in the extinction of one or more species?

The water temperature of a pond decreases slightly, and the members of the pond populations adapt to the change.
The conditions are abnormally dry for one season in a desert, resulting in the deaths of a few members of a snake population.
A predatory fish is introduced into a lake, resulting in a dramatic decrease in the populations of smaller fish.
A new plant species begins growing in a forest, resulting in a new food resource for many animal populations.

Answer 1

Answer:

The statements 2 and 3 are the answers.

HOPE IT HELPS

Answer 2

Answer:

A predatory fish is introduced into a lake, resulting in a dramatic decrease in the populations of smaller fish.

Explanation:

I think the above would be the most suitable answer as it won't be long before the predatory fish will kill all the other small fish as there is already a dramatic difference.

Hope it helps....and sorry if it's incorrect.