By smell
By taste
By sight
By touch
Researchers did not study the likelihood of extinction.
It is lower when there are a lot of cannibals.
Cannibals were not an indicator of extinction.
It is higher when there are a lot of cannibals.
Eats other salamanders
Has a wider head and larger teeth
Has a wider head
Has larger teeth
Fish and Frogs
Insects and Plants
Aquatic crustaceans and insects
Rocks and Sand
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
High incidence of disease caused by a bacterial infection
There are no disadvantages
Low incidence of disease caused by a bacterial infection
Medium incidence of disease caused by a bacterial infection
have distinctive physical traits associated with their cannibalistic behavior.
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.