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