La nina is a temporary climate change which causes ocean waters to be cool when they would otherwise be hot. this change interferes with food webs and weather patterns. which event is most likely to arise from la nina?
1.the food webs in the ecosystem would remain unaltered.
2. simple species would be replaced by more complex species.
3. the mutation rate would increase among individuals in some populations.
4) the number of individuals in some populations would change temporarily.