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Ecology

QuestionAnswer
Ecological footprint measure of human demand on Earth's ecosystems
Biodiversity variety of life
Habitat fragmentation process in which habitat loss results in smaller more isolated remnants
Stability state of being stable
Ecological Disturbance a change in the environmental conditions that causes a change in an ecosystem
Greenhouse gases gas that contributes to the green house affect
Acid Rain type of rain made up of dilute acids, a by product of heavy industry
Biological magnification process where certain substances (pesticides or heavy metals) move up the food chain rivers-fish-humans
Deforestation permanent destruction of forests to make land available for other uses
Dessertification process where fertile land become dessert
Sustainability capacity to endure
Agriculture growing a dependable amount of food
Monoculture farming strategy of planting 1 productive crop year after year
Renewable resource resource that can be produced or replaced by healthy ecosystem functions
Nonrenewable resource resource that can't be replenished by natural process within a time
Sustainable resource using natural resources to meet our needs without causing long-term environmental damage
Limiting factors environmental conditions that limit the growth, abundance and distribution of an organism or populations of organisms
Density dependent limiting factor factors that affect the population individuals ex disease
Density independent limiting factor effects will kill a population regardless on how big or small it is
Competition interaction between organisms for resources
Density(population) measure of #organisms that make up a population in a defined area
Distribution how organisms are spread out
Age structure how organisms are spread out according to their age
Immigration how many organisms are coming
Emmigration how many organisms are going
Exponential growth growth rate when resources are unlimited
Logistic growth occurs when the growth rate decreases as the population reaches carrying capacity
Carrying capacity number of organisms an environment can support
Ecological succession observed process of change of an ecological community over time
Primary succession one type of biological and ecological succession in plant life in environments that lack soil or vegetation
Secondary succession series of changes that take place in previously crowded, disturbed ecosystem
Pioneer species hardy species that are first to colonize disturbed ecosystems, starting a chain of ecological succession with biodiversity
Ecology study of organism and their environment
Ecosystem biological community of interacting organism and their environment
Biotic Living factor
Abiotic non-living factor
Resourse Any necessity of life
Biosphere all the ecosystems on the planet
Biome multiple communities ex, forest...
Community group of different populations that live together in an area
Population group of organisms of the same species in the same area
Autotroph an organism that is able to form nutritional organic substances from simple inorganic substances
Primary Producer organisms that produce biomass from autotrophs
Heterotroph organism deriving its nutritional requirements from complex organic substances
Consumer organisms that eat other things
Habitat natural home or environment for organism
Niche position or role taken by a kind of organism within its community
Resource necessity of life
Predation preying of one animal on others
Herbivory eating of plants especially ones that are living
Symbiosis interaction between 2 different organisms living in a close physical association
Mutualism type of symbiosis
Parasitism where one benefits and the other is harmed
Commensalism class of relationships between 2 organisms where one benefits from the other without affecting it
Created by: stefanied20