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Population Ecology > Lecture 1 > Flashcards

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1

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

2

What is demography?

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

3

What is population structure?

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

4

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

5

What is commensalism?

When 1 species benefits and the other is relatively unaffected

6

What is ammensalism?

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