Answer:
4 mass extinctions
Explanation:
as there are huge drops in the graphs
at 440,390,260,50
Mark me as brainliest pls
I’m pretty sure it’s the refractory period!!
Hope this helps!
<span>It is going to depend on what you consider stable. A
diverse population would be more resistant to disease because of simple
biology. The more sources for possible resistance the better the
heterogeneous pool will be at resisting disease. You also have to take
in to consideration things like the availability of modern medicine and
the ability to be isolated during illness. </span><span>
Personally I think it has to do with the fact that many of the worlds
more diverse population centers are also many of the worlds largest
population centers which make them less prone to invasion on that basis
alone. </span>
Answer: yup. That, and water or air.
Explanation:
