Question

Which of the following is an example of a long-term change to ecosystems?
a.
seasons
b.
tide cycle
c.
evolution
d.
population growth


Please select the best answer from the choices provided

A
B
C
D

Answer 1

C

Evolution is a long-term process that alters species and ecosystems over generations. Seasons and tides are short-term cyclical changes; population growth can be shorter-term or variable.