A scientist collected information about a population ofsalamanders in a riverbank.19751985199520052015Salamander Population over TimeYearNumber ofindividuals38404257In 2004, a severe flood occurred. Which claim best explains thedata?A. The ecosystem was unstable until the flood occurred.B. The flood made the ecosystem less stable, but itrecovered by 2015.c. The flood made the ecosystem less stable, and it hasnot yet recovered.D. The flood did not affect the stability of the ecosystem.
