What caused natural selection among the peppered moths of Manchester, England?
natural environmental changes
human-caused environmental changes
genetic stability in the population
resource stability in the population

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

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

Eutrophication caused by human nutrient pollution.