By sight
By taste
By smell
By touch
Aquatic crustaceans and insects
Fish and Frogs
Rocks and Sand
Insects and Plants
have distinctive physical traits associated with their cannibalistic behavior.
have distinctive physical traits associated with their behavior.
have special teeth associated with their cannibalistic behavior.
don't have distinctive physical traits associated with their cannibalistic behavior.
Has a wider head
Eats other salamanders
Has a wider head and larger teeth
Has larger teeth
Cannibals were not an indicator of extinction.
It is lower when there are a lot of cannibals.
It is higher when there are a lot of cannibals.
Researchers did not study the likelihood of extinction.
High incidence of disease caused by a bacterial infection
Low incidence of disease caused by a bacterial infection
There are no disadvantages
Medium incidence of disease caused by a bacterial infection
All ponds
All mountain meadow ponds
Mountain meadow ponds between 5,000 and 9,600 feet
Mountain meadow ponds between 2,600 and 5,000 feet