Salamanders

don't have distinctive physical traits associated with their cannibalistic behavior.

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.

Researchers did not study the likelihood of extinction.

Cannibals were not an indicator of extinction.

It is higher when there are a lot of cannibals.

It is lower when there are a lot of cannibals.

Has larger teeth

Has a wider head and larger teeth

Has a wider head

Eats other salamanders

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

By taste

By touch

By smell

By sight

All mountain meadow ponds

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

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

All ponds

Rocks and Sand

Insects and Plants

Aquatic crustaceans and insects

Fish and Frogs