Which benefit of ice on the surface of a lake is most to fish?

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe