Question

comparing the two graphs on the screen, how has the rate of mortality changed at the lake near the settlement?
a) the mortality of all age - classes has increased
b) only the mortality of old, infertile adults has increased
c) the mortality of fertile adults and young goslins has increased
d) only the mortality of the fertile adults has increased

Explanation:

By observing the mortality - curve graph for the impacted lake, we can see that the mortality rate for younger age classes (young Goslings) and fertile adult age classes has gone up compared to previous years.

Answer:

c) The mortality of fertile adults and young Goslings has increased