Ecology Flashcards
What is dispersion?
The pattern of distribution of individuals within a habitat
What is immigration?
Where organisms come into an area
What is emigration?
Where organisms leave an area
What does life expectancy mean?
How long an organism will live
What is the birth rate?
The number of births per year
What is the death rate?
The number of deaths per year
What is the growth rate?
The amount of increase of a specific species in a certain area
What is population?
How many animals live in a certain area
What is the density independent factor?
Tornadoes, hurricanes, volcano erupting, etc.
What is the density dependent factor?
Predation, competition, overcrowding, disease, etc.
What is population density?
How many organisms live in a certain area
What is the hunter gatherer lifestyle?
Surviving by hunting animals and gathering plants
What is the agricultural revolution?
A revolution where they grew a lot of crops
What is stability?
The ability of an ecosystem to remain stable
What is the climax community?
The development in a community overtime
What are pioneer speices?
The first thing of the speices (ex. the first pumpkin ever grown)
What is disturbance?
A temporary change that can cause a permanent change in an ecosystem
What is ecological succession?
The observed process of change in the species structure of an ecological community over time
What is inbreeding?
Breed or cause to breed with another of a different race or species
