Salamanders

It is higher when there are a lot of cannibals.

It is lower when there are a lot of cannibals.

Researchers did not study the likelihood of extinction.

Cannibals were not an indicator of extinction.

By taste

By smell

By sight

By touch

Aquatic crustaceans and insects

Fish and Frogs

Insects and Plants

Rocks and Sand

have distinctive physical traits 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 special teeth associated with their cannibalistic behavior.

High incidence of disease caused by a bacterial infection

Medium incidence of disease caused by a bacterial infection

Low incidence of disease caused by a bacterial infection

There are no disadvantages

Mountain meadow ponds between 5,000 and 9,600 feet

Mountain meadow ponds between 2,600 and 5,000 feet

All mountain meadow ponds

All ponds

Has a wider head

Has larger teeth

Eats other salamanders

Has a wider head and larger teeth