It could have changed the way these animal were adapted to the climate. if they can't adapt fast enough the species will die. Hope this helps
Hi,
I think that you're missing some options, but here they are (let me know if I'm right!
-A population of wolves was introduced
-The amount of disease in the deer population decreased
-More grass was planted
Now, if the gene diversity decreased, it means that a lot of deer died. This could happen because wolves were introduced -this is the correct answer, and the wolves ate some deer.
The easiest way to explain it is.. it keeps it from exploding lol
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