On a map with a scale of 1:50,000, a measured distance of 7.5 centimeters represents an actual distance of how many kilometers?

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?

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !