Question

if you were to examine a mature ecosystem over the course of 30 years at the same time each year, would you expect the number of species and the population size of each species to be the same from year to year? why or why not?

Answer 1

Answer: An ecosystem is constantly changing so the number species and the population size of each would change too.

Explanation: There is a delicate balance in an ecosystem. There are many factors that can change the number of species in the area such as natural disasters which in turn can change any effected species population sizes.