Question R13 Q8 - NSB Middle School 2009

Which of the following is most likely if a healthy hellbender population is found in a stream:

W) they should be eradicated because they eat all the predatory fish

X) they are venomous creatures and are a threat to people

Y) their presence is an excellent indicator that the water quality of the stream is good

Z) their presence is an excellent indicator that the stream is polluted with heavy metals and PCB's

Science Bowl Question