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Chapter 4 Biology

Test Review

The average, year-after-year conditions of temperature and precipitation within a particular region are its climate
The greenhouse effect causes an increase in temperature
All the biotic and abiotic factors in a pond form a ecosystem
A relationship in which one organism is helped and another organism is neither helped nor hurt is called commensalism
A form of symbiosis in which both organisms benefit is called mutualism
A type of symbiosis in which one organism benefits and the other is harmed is called Parasitism
Natural disturbances, such as fires or hurricanes, can result in succession
In a tropical rain forest, the dense covering formed by the leafy tops of tall trees is called the canopy
Organisms that live near or on the ocean floor are called benthos
The full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions is called niche
The biological influences on organisms within an ecosystem are called biotic factors
What determines the survival and growth of an organism and the productivity of the ecosystem in which the organism lives biotic and abiotic factors
Succession that occurs on surfaces where no soil exists is called primary succession
The first species to populate an area are called pioneer species
When a disturbance of some kind changes an existing community without removing the soil, what type of succession follows? secondary succession
The climate within a small area that differs significantly from the climate around it is called microclimate
A particular physical environment that contains a characteristic assemblage of plants and animals is called biome
Photosynthesis is limited to this well-lit upper layer known as photic zone
A zone which is permanently dark aphotic zone
The prominent horizontal banding of organisms that live in a particular habitat. Zonation
Extends from the low-tide mark to the outer edge of the continental shelf. Coastal ocean
Part of the ocean that begins at the edge of the continental shelf and extends outward open ocean
The very bottom of the ocean is called Benthic zone
Created by: tmcnu2



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