Which statement provides the best evidence that in environmental change can affect traits in later generations of an organisms population? A- The number of plankton begin to decrease as the pH of ocean water decreases .
B- above average rainfall causes the number of lichens growing in a forest to increase.
C-A type of plant that had rarely been observed in a particular habitat suddenly produces more offspring as winter becomes milder .
D-after a dry periods lasting many years only a few individuals of a tree population survive and then produce drought tolerant offspring.