Book Notes Flashcards
Community
A group of population
Levels of complexity
Individuals, population, community, ecosystem, biosphere
Intrinsic growth rate
Max potential for growth of a population under ideal conditions with unlimited resources
Exponential growth model formula
Nt=NoE^(rt)
Survivorship curves
A graph that represents the distinct patterens of the species survival as a functions of age
Inbreeding depression
What individuals of similar genotypes, typically relatives, breed with each other and produce offspring that have a impaired ability to survive and reproduce
Community ecology
Study of interactions between species
Herbivory
An interaction in which animals consumes a producer
Mutualism
Interaction between two species that increases the chance of survival or reproduction for both species
Ecosystem engineer
A keystone species that creates or maintains habitat for other species
Ecological succession
The predictable replacement of one group species by another group species over time or change of species that’s predictable
Climax stage
Succession ends with climax stage
Demographer
Net migration rate
The difference between immigration and emmigration in a given year per 1,000 people in a country