human impacts
any material in nature that people use and value
natural resource
energy in a ecosystem flow from consumers to producersf
false
an increase in the average tempertaure of the earth's atmosphere
global warming
what would occur if the snake population is removed from the ecosytem
the mouse population increases
plant and animal materials (wood, hay, vegetables, etc) that have chemical energy stored in their organic molecules
biomass
a resource that can be replaced in a short period of time or is always available
renewable resource
A process in which energy changed from one form to another form while some of the energy is lost to the environment
energy transformation
tropical, temperate, polar
climate zones
an increase in the biodiversity of an ecosystem leads in it productivity
true
change of an element into a different element, usually with other particles and energy emitted
decay
a natural resource that is not replaced in a useful time frame
nonrewable resource
the law that states the energy cannot be created or destroyed but can be changed from one form to another
law of conservation of energy
natura; situation in which heat is retained in earth's atmosphere by carbon dioxide, methane, water vapor, and other gases
greenhouse effect
a living thing has (or can develop) the ability to act or function independently
organism
the ability to do work resources that can be used to do work as electricity
energy
the contamination of earth's land, water, or air
pollution
energy that travels through electromagnetic waves and can move through empty space
radiant energy
Any significant change in measures of climate, such as temperature, precipitation, or wind, lasting for an extended period of a decade or longer
climate change
biological diversity the variety of living things
biodiversity
naturally occurring carbon or hydrocarbon fuel (natural gas and oil) formed by the decomposition of pre historic organisms
fossil fuel
pollutants that are released into air
emmisons
enrgy of moving objects that is used to do work
mechanical energy
sources include the combustion of fossil fuels. Effects green house gas contributes to global warming
carbon dioxide
a community of living organisms(biotic) and nonliving(abiotic) things with which they interact
ecosytem
disposal area where garbage is piled u and eventually covered with dirt and topsoil
landfill