Biosphere Vocab.
Published on Mar 09, 2016
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PRESENTATION OUTLINE
Biosphere
- The regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms.
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Biotic Factors
- Any living component that affects another organism, including animals that consume the organism in question, and the living food that the organism consumes.
Photo by Billy Wilson Photography
Abiotic Factor
- Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.
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Temperate Climate
- Areas where the temperatures are moderate and changes between the seasons aren’t extreme. Regions are in between the tropics and the polar regions
Photo by Fluffymuppet
Tropical Climate
- Tropical areas lie in the low latitudes and are dominated by hot and equatorial air masses. They are warm all year with at most a minor cool season.
Photo by -Reji
Polar Climates
- Polar regions are characterized by a lack of warm summers. Every month in a polar climate has an average temperature of less than 50 °F.
- Regions with polar climate cover more than 20% of the Earth. The sun shines for long hours in the summer, and for many fewer hours in the winter.
Photo by puliarf
Biome
- A large naturally occurring community of biotic and abiotic factors occupying a major habitat.
Photo by jurvetson
Invasive Species
- A plant, fungus, or animal species that is not native to a specific location, which has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health.
Photo by Ed Suominen
Pollution
- The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects
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Overharvesting
- harvesting a renewable resource to the point of diminishing returns
- Also called overexploitation.
Photo by Morton1905
Wind Energy
- Energy conversion in which turbines (windmills) convert the kinetic energy of wind into mechanical or electrical energy that can be used for power.
- Wind power is considered a renewable energy source
Photo by nixter
Nuclear Fusion
- A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
Photo by kpfellows
Nuclear Fission
- A nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy.
Photo by Idaho National Laboratory
Hydroelectric Power
- The production of electrical power through the use of the gravitational force of falling or flowing water.
Photo by doug_wertman
Fuel Cell
- A cell producing an electric current directly from a chemical reaction.
Aquaculture
- The rearing of aquatic animals or the cultivation of aquatic plants for food.
Photo by Bytemarks
Agriculture
- The science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
Photo by swisscan
Sustainability
- Is the ability to maintain the qualities that are valued in the physical environment.
Photo by voyageAnatolia.blogspot.com
Carrying Capacity
- The maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment.
Photo by Marko_K
Limiting Factors
- Environmental conditions that limit the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem.
Photo by USDA NRCS South Dakota
Exponential Growth
- Growth whose rate becomes ever more rapid in proportion to the growing total number or size.
Photo by pali_nalu
Natural Resources
- Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain.
Photo by USACE HQ
Ecological Footprint
- The impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources.
Photo by uccsbiology
Eutrophication
- Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Photo by eutrophication&hypoxia
