c) The population spread can be shown through
Answers
Explanation:
Population density (in agriculture: standing stock or plant density) is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density. It is frequently applied to living organisms, most of the time to humans. It is a key geographical term.[1] In simple terms, population density refers to the number of people living in an area per square kilometre.
Population density is population divided by total land area or water volume, as appropriate.[1]
Low densities may cause an extinction vortex and lead to further reduced fertility. This is called the Allee effect after the scientist who identified it. Examples of the causes of reduced fertility in low population densities are:[2]
Increased problems with locating sexual mates
Increased inbreeding
Answer:
population chart
Explanation:
through surveys, graphs and charts we can study population spread
it depends upon the physical and geographical conditions of the place and the economic success of the estate