Question

If an ecosystem lost a keystone species, which outcome would be expected?

The oxygen supply in the ecosystem would be depleted.


The population numbers of other species would change dramatically.


A new keystone species would replace the old keystone species.


The temperature of the ecosystem would increase.

Answer 1

population would change, because a lost could decrease the number of them

Answer 2

so now find out which one would be your answer, and u can eliminate the sily ones like temperature, that has nothing to do with it, and it cant possibly replace itself so your down to the first 2

Answer 3

thank you so much!

Answer 4

np