4 Flashcards
What is population?
A group of organisms of the same species occupying a given area and performing genes exchange
Name the major Emergent properties
Size, density, distribution pattern, aggregated, random, uniform
Name the demographic parameters
Birth rate, mortality rate, immigration rate, emigration rate
prevent populations from overgrowing, either reducing their reproductive capacity or dying.
Abiotic
there are factors that regulate the size of populations allowing population growth
Biotic
when the population is high, individuals develop high mortality rates for existing resources or competition for food, cannibalism or lack of space.
Intrinsic factor
External biotic and abiotic elements or populations that cause mortality or inhibit reproduction
Extrinsic Factor