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