Changing a river into a lake is basically what a large dam does. one reason we do this to create reservoirs of fresh water. however, dams change the local ecosystem in a big way. what is one negative impact of building a dam

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease