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What is population Ecology?

A sub-field of ecology that deals with population dynamics or demographics. how they change over time, across sites, and response to environmental factors


What is demography?

The study of the size, structure and distribution of populations. birth rates, death rates, immigration and emigration


What is population structure?

Ways in which a population can be divided into sub-populations, mostly sex and age


What is community ecology?

sub field of ecology that deals with interactions between species that co-occur in time and space. coexisting populations and thier biological interactions.
Competition, predation, parasitism, mutualism, commensalism, ammensalism


What is commensalism?

When 1 species benefits and the other is relatively unaffected


What is ammensalism?

! species is not affected (doesnt benefit) and one species is negatively affected