SNC1DW Chapter 1
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SNC1DW Chapter 1
science biology ecology
Glossary terms and definitions for chapter 1.
The interacting parts of a biological community and its environment
An ecosystem that is capable of withstanding pressure and giving support to a variety of organisms.
The living parts of an ecosystem
i.e. insects, plants, animals
The non-living parts of an ecosystem.
i.e. air, water, soil
The hard part of Earth's surface
All the water found on Earth, including lakes, oceans, and groundwater.
The layer of gases above Earth's surface
The regions of Earth where living organisms exist
Chemicals that are essential to living things and is cycled through ecosystems
i.e. water, oxygen, nitrogen
A process in which nutrient levels in aquatic ecosystems increase, leading to an increase in the population of primary consumers.
A process that changes solar energy into chemical energy
A category of organisms that is defined by how the organisms gain their energy
The total mass of living organisms in a defined group or area
A measure of the amount of energy or biomass transferred from one trophic level to the next higher trophic level
A process in which materials, especially toxins, are ingested by an organism at a rate greater than they are eliminated.
When concentration of a material/toxin accumulates in progressively higher concentrations toward the top of the food chain
A process that releases energy from organic molecules, especially carbohydrates, in the presence of oxygen
A process that releases energy from organic molecules, especially carbohydrates, in the absence of oxygen
Atmospheric gases that prevent heat from leaving the atmosphere, thus increasing the temperature of the atmosphere
The warming of the Earth as a result of greenhouse gases, which trap some of the energy that would otherwise leave Earth
Rain, snow, or fog that is unnaturally acidic due to gases in the atmosphere that react with water to from acids