Kialo requires JavaScript to work correctly.
Could the de-extinction of certain species help the environment?
Loading Discussion
Selected claim, supporting its parent
The return of these wolves is an example of a positive
trophic cascade
. Trophic cascades are changes that occur in an ecosystem due to the extinction or reintroduction of a key predator.
Pros
Cons
Pro claim 1, children below
The elks in Yellowstone Park were spending too much time
browsing
on willow trees. When the wolves came back, they started chasing them around and away from the trees, which had
positive consequences
for other species.
Con claim 1
The reintroduction of top predators back into an ecosystem has
not always been successful
.