Multiple Choice
Why have non-native earthworms caused a decline in salamander populations in North America?
A) Earthworms are predators of newly hatched salamanders.
B) Earthworms caused reductions in insects that salamanders eat.
C) Earthworms disturb soil, which makes it less hospitable to salamanders.
D) Earthworms outcompete salamanders for soil nutrients.
Correct Answer:

Verified
Correct Answer:
Verified
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