Population ecology, human population growth community ecology, co-evolution, ecological succession, ecosystems, biogeochemical cycles, biomes, and human impact on the biosphere.
Terms in this set (30)
A group of individuals of the same species living in the same area.
A group of populations living in the same area.
The interrelationships between the organisms in a community and their physical environment.
It includes all the regions of the earth that contain living things.
The type of place where it usually lives. It includes the other organisms that live there as well as the physical and chemical characteristics of the environment.
All the biotic and abiotic resources in the environment used by an organism which define where it can live.
The total number of individuals per area or volume occupied.
The maximum growth rate of a population under ideal conditions, with unlimited resources and without any growth restrictions.
Factors of Biotic Potential
Age at reproductive maturity, clutch size (the number of offspring at each reproductive event), frequency of reproduction, reproductive lifetime, and survivorship of offspring to reproductive maturity.
The maximum number of individuals of a population that can be sustained by a particular habitat.
Elements that prevent a population from attaining its biotic potential.
A type of limiting factor whose limiting effect becomes more intense as the population density increases.
A type of limiting factor that occurs independently of the density of the population which includes natural disasters and extremes of climate.
When the reproductive rate is greater than zero and when plotted it rises quickly forming a J-shaped curve.
When limiting factors restrict the size of the population to the carrying capacity of the habitat and when plotted it stabilizes forming a S-shaped, or sigmoid, curve.
Fluctuations in population size in response to varying effects of limiting factors.
Abiotic factors are the non-living parts of an organism's habitat.
SWATS: Soil, Water, Air, Temperature, and Sunlight.
The living parts of an ecosystem.
Usually include: producer, consumers, decomposers, and human influence.
A relationship between two species in which both species benefit.
A distinct physical environment that is inhabited by ecologically similar organisms with similar adaptations.
The gradual, sequential series of changes in the species composition of a community following a disturbance.
They convert solar energy into a form that can be used by the rest of the community. Aka autotrophs.
Self feeders... they make their own food.
Species that obtain energy by breaking apart organic compounds that have been assembled by other organisms. (Herbivores)
Heterotrophs that dine on primary producers... aka herbivores.
Primary carnivores... those that consume herbivores.
Secondary carnivores... those that consume primary carnivores.
The feeding positions: primary producers and primary, secondary, and tertiary consumers. A group of organisms united by obtaining their energy from the same part of the food web.
They feed on both plants and animals. (feed from multiple trophic levels.)
Feed on waste products or dead bodies of organisms... Largely responsible for the recycling of materials within ecosystems. They break down organic matter into inorganic components that primary producers can absorb.
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