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BC Science Chapter 3
Terms in this set (34)
Occurs when different members of a species become adapted to different niches in their habitat.
A complex, stable ecosystem reached during the late stages of succession.
A gradual change in the type of plants that represent the structure of a community.
The gradual change in plant life in an ecosystem starting with bare rock.
The occupation by plants in an area previously covered by vegetation and the soil remains.
The process where organisms having advantageous characteristics are favoured over time.
The first organisms to inhabit a barren ecosystem, creating soil.
When a water-body overflows its natural barriers, results in soil erosion and spread of disease.
Wave caused by an earthquake that removes plant and animal life from an area and adds salt to the soil.
Prolonged lack of precipitation leading to death of livestock and crops as well as huge habitat destruction.
The destruction of ecosystems by parasitic insects, resulting in plant and animal death.
The use of natural resources in a way that maintains ecosystem health now and for future generations.
The agricultural practice of planting of a single crop through large areas of land.
The complete destruction of a natural habitat to make way for human use.
The splitting of natural habitats into segments using roads, powerlines, gas lines, etc.
The way humans use the land for urbanization, agriculture, industry, mining and forestry.
The way humans obtain materials for their use from ecosystems.
The removal of trees from forested areas without replanting.
The complete removal of trees and most plant life from a forested area.
The use of land for industrial or residential developments.
The erosion or leaching of nutrients out of soil resulting from land and resource use.
The wearing down of soil or rock by wind or water.
The packing of soil by farm vehicles or livestock.
Removing plugs of soil to increase water and air flow.
The use of resources for human benefit.
Using resources to a point where they are gone.
The introduction of chemicals, toxins, wastes or micro-organisms into an ecosystem.
The death of all members of a species.
The attempt to return an ecosystem to its natural state.
Knowledge about ecosystem maintenance gained by native inhabitants over many years.
Species that have naturally existed in an ecosystem for many years.
Species moved from one part of the globe to another where they do not naturally exist.
Species that cause harm to natural species when they are moved into other ecosystems.
the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
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