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Unit One Ecology


Biosphere The part of Earth where life exist including water and land.
Ecology The relation and interaction between organisms and the enviroment
Population all species living in one area
community an assemblage interacting populations given an area
ecosystem a community of organism interacting with each other
biome a large occupying major habitat
biotic relating to another organism or a living thing
abiotic no derived from living things
autotroph an organism that is able to to form natural organic substances
primary produce Organisms in an eco system that can produce inorganic compounds
heterotroph An organism that is required organic compounds for its source of food
consumer An organism that feeds on other animals
Habitat an environment for an organism
Niche a function of an animal in a eco system
Resource a source of supply and supprot
Predation An animal that captures an organism and feeds on others
Herbivory feeds on animal
Symbiosis mutalism
Mutualism two organism that benefit in a on eco system
Paratism An organism that is parasite on another
Commensalism a relation between two organism that can't be in danger
Density Closely set or crowded
Distribution something that is distributed
Age Structure Distribution of various age in a population
Immigration to enter into a new habitat
Emigration to leave a habitat
Exponential growth growth of biological animals
Logistic growth decrease of biological animals
Carrying Capacity an environment that has food, water, habitat, and other resources
Limiting Factor Limits growth of population
Density Dependent When a population is too large then everyone will suffer because all resources are gone
Density Independent When a population is too large and not affected
Competition An interaction between on organism which one has lowered presence by another
Biodiversity The variety of life in an eco system or habitat
Habitat fragmentation The habitat loss of isolated remnants
Stability Act of being stable
Ecological succesion Process of change in species structure of an ecology over time.
Primary succesion Where an environment lacks soil and vegetation
Pioneer species Species that are first to colonize a damaged eco system
Secondary succesion Series of changes taken on a damaged eco system areas including no vegation
Agriculture practice of farming
monoculture Single crop in a given area
Renewable resource A resource that can be used again
Non renewable resource A resource that cannot be used
Sustainable resource A resource that is not damaged or not depleted
sustainability The ability to continue a defined behavior and turn to experts.
Desertion A land that is dry
Deforestation A land that all forest is desctructed
Biological magnification Heavy Metals move up to the food chain
Acid Rain Acid Rain is caused by sulfur dioxide and nirtogen oxide
Green House A house emitted by sun
Disturbance Ecology Temporary change in an environment that causes change in an eco system
Ecological footprint measure of human demand on earths eco system, the amount of natural capacity each year
Created by: jcrossover23