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BC Science 10 Chapter 2 Vocab
Energy flow and nutrient cycles support life in ecosystems
Terms in this set (61)
The breaking down of dead organic matter by living organisms.
- The breaking down of organic matter.
An organism which breaks down dead organic matter.
Organisms generally at the top of food webs.
Shows the linear flow of energy from eaten to eater.
An animal-eating organism.
- A diagram which shows the loss of available energy from one trophic level to another.
A plant-eating organism.
Organisms that eat producers.
Those organisms which make food from sunlight energy and carbon dioxide.
Organisms that obtain energy from dead organic matter.
An organism which eats both plants and animals.
The third trophic level organisms which eat herbivores.
The mass of all living things in a certain area
The flow of energy between organisms in an ecosystem
The interconnected flow of energy between organisms in an ecosystem.
A diagram showing various relationships between organisms in an
A carbon based, long term energy store used as an energy source by humans.
The nutrient cycle involving the chemical necessary for energy transport in
The process where plants use carbon dioxide and solar energy to make
The flow of nutrients in the biosphere from one store to another.
Pyramid of Numbers
A diagram showing the relationship of numbers of organisms between
A gaseous form of carbon stored in the atmosphere - CO2.
The carbon based material stored in marine organism shells and water.
The process where organisms obtain energy by burning carbohydrates
with oxygen and releasing carbon dioxide and water.
Pyramid of Energy
A diagram showing the decrease in available energy as the trophic level
A chemical substance required by organisms for life processes such as growth.
Pyramid of Biomass
A diagram showing the decreasing total mass of organisms in an area as
the trophic levels rise.
The flow of nitrogen between stores in the biosphere via nitrification, nitrogen
fixation, uptake and denitrification.
A location in the biosphere where nutrients are stored for short or long periods.
The movement of carbon through the biosphere by photosynthesis, cellular
respiration, eating and burning of fossil fuels.
The settling of solid organic and inorganic material into layers in water.
The process whereby nitrates are turned into nitrogen gas
The dissolving and flow of nutrients and toxins by water through soil.
An over-abundance of growth and decay in aquatic ecosystem due to nutrient
The process of converting ammonium into nitrates by bacteria.
The form of nitrogen useable by plants.
The breakdown of rock caused by chemicals breaking down the rocks
The sedimentary rock containing high levels of carbonate from marine organisms.
The storage form of nitrogen in the atmosphere (N2)
An intermediate form of nitrogen that needs to undergo nitrification to become
The process of transforming nitrogen gas into ammonium and nitrates.
.- Organisms which convert N2 into NO3
- and NH4
Caused by wind, water and freezing to wear down rocks.
The method whereby organisms remove nutrients from a store.
Organisms which convert NO3
- into N2.
The storage form of phosphorous in rocks
A harmful synthetic chemical used in the 1970's for transformers and plastic
A pesticide used for mosquitoes which bioaccumulates.
Persistent organic pollutants.
The upward movement and exposure of rocks due to folding of the earth's
- The uptake of chemicals from the environment by organisms with no way to
get rid of them.
The time it takes for half of a material to break down into another form.
Species on which many other species in an ecosystem depend for survival.
Using created organisms to speed up the removal of toxins from the
Synthetic chemicals used to kill unwanted plants and animals on a large scale.
High density, metallic elements that are toxic even at low concentrations.
A unit used to measure the concentration of a certain substance in the environment.
Depositing nitrogen rich compounds into an ecosystem.
The increasing amounts of toxic materials in organisms as the trophic levels
THIS SET IS OFTEN IN FOLDERS WITH...
BC Science 10 Chapter 1 Vocab
BC Science Chapter 3
BC Science 10
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