Southern Agrarians was created in 1930.
The Southern Agrarians ;also known as the twelve Southerners, the Vanderbilt Agrarians, the Nashville Agrarians, the Tennessee Agrarians, and/or the Fugitive Agrarians, were a group of twelve American writers, poets, essayists, and novelists, all with roots in the Southern United States, who joined together to write a pro-Southern agrarians manifesto, a collection of essays published in 1930 entitledI'll Take My Stand: The South and the Agrarian Tradition
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Basically they are farmers
Agrarians is the answer
A prey
Relative population size is the size of an area's population as it compares to similar areas' populations. For example, the relative population size of a country would be what rank it had compared to the population of other countries.
The population size of predator species is typically controlled by the availability of prey, competition with other predators, and environmental factors like habitat and climate. The population size can fluctuate based on these factors, leading to dynamic predator-prey relationships.
Population density
From a sample of a population, the properties of the population can be inferred.
The sumation (each stratum of population) of risk * population size. For example: (risk*population size of group 1) + (risk*population size of group 2) + ... + (risk*population size of group n)
population dynamics-Population dynamics is the study of the factors that influence these changes in a population's size