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Survivorship curve
Diagram showing the number of surviving members over time from a measured set of births and the life history of a species
Type 1
Common for large animals, low infant mortality, high parental care, usually a long life span
Type 2
Birds, small mammals, reptiles, equal chance of dying at all ages, low parental care
Type 3
Invertebrates, fish, plants, amphibians, tons of babies but most die quickly, some survive by chance, no parental care
Exponentially
Nearly all populations will tend to grow ... As long as there are resources available
Logistic model
This models declining resources available to populations as they grow
Carrying capacity
The number of organisms of species that can support indefinitely