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