Unit 1
what is the definition of air pollution
Any undesired change in air, water, or soil that adversely affects the health survival, or other activities of human and any organisms.
what is ecology
the study of relationships between organisms and their environment
what is the greenhouse effect
the property of some gases in the atmosphere
what is demography
the study of human population
what are introduced species
those that were brought to an ecosystem as a result of human activity
what is a hypothesis
prediction of a relation between two variables
why do we study population
to see how humans relate to each other and how groups behave
what is a plankton
tiny free-floating organisms found in the ocean
what is a type 2 survivorship curve
characterized by the relatively constant mortality rates (death rate across all age groups)
what are indicator species
those that gives clues on the quality of an entire ecosystems condition
what makes the difference from an independent variable compared to a dependent variable
independent is what you change in an experiment while the dependent is what you measure in response to changing the independent variable
what is a biotic factor
anything in an environment that is alive
what is water near a shore called
the littoral zone
what is the standard of living
quality of life
what is recycling
reclaiming, resources so they can be used for a different purpose
environmental science is
the scientific study of earths environment
what's logistic growth?
when the population increases quickly at first, but more slowly as natural resources become scarce in the habitat
what is a water shed
a region of land that drains into a river, river system, or other body's of water
persistent pollution
pollution that is hard to get rid off
what is sustainability
using natural resources in a way that meets the needs of the without hurting future generations
what is the four major environmental problems
air pollution, loss of biodiversity, climate change and deforestation
what is a detritus
tiny bits of decomposing plants and animals
free 500!!!
10 push ups
what are 5 examples of fossil fuels
coal, oil, natural gas, kerosene, and propane
what is conservation
using resources in the best possible way so that the greatest long term benefit is realized by society