Question

the biggest threats to christmas island crabs during their annual migration are
a. dogs
c. automobiles
b. cats
d. fences
please select the best answer from the choices provided
o a
o b
o c
o d

Explanation:

Christmas Island crabs face significant threats during their annual migration. Automobiles can directly harm them as they cross roads. Dogs and cats are not the main threats during migration compared to the large - scale impact of automobiles. Fences can be a barrier but are not as lethal as moving vehicles.

Answer:

C. automobiles