Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: The number of fish in a lake suddenly increases. How will the increase most likely affect the lake?
There will be fewer insects in the lake.
The food chain may be disrupted, and the water quality could change.