Unit 1
The idea that we should be responsible, caring managers of the earth is called __________
stewardship worldview
the number of different species an ecosystem contains is its
species richness
prevailing winds are the result of what?
rotation of earth on its axis
the ocean zone that covers the continental shelf is the
coastal zone
illegal hunting for profit is called what
poaching
What percentage of the world's projected increase in population between 2008 and 2050 is expected to come from developing countries?
~97%
which biome has the highest net primary productivity (NPP)?
tropical rainforest
which biome has been most disturbed by human activities?
what are the key factors in determining biodiversity in aquatic systems
temperature, dissolved oxygen, lights and nutrients for photosynthesis, and availability of food
the temporary or permanent removal of large expanses of forest for agriculture or other uses is called what
deforestation
What is the value of all products and services produced in a year in a country called
Gross Domestic Production (GDP)
keystone species
what is the difference between weather and climate
weather- condition of atmosphere over a short period of time.
climate- how atmosphere behaves over long periods of time (many many years)
the zone in which you would expect to find deposit feeders along with oysters, clams, and sponges is what
abyssal zone
the nature conservancy created what?
the worlds largest system of private natural areas and wildlife sanctuaries
Which revolution led to a shift from rural villages to more urban societies?
Urban-Industrial Revolution
Pertaining to offspring, a k-strategist typically
provides a great deal of parental care
because birds live in every climate and biome, and because they are easy to track and count, they serve as excellent
indicator species
the greatest marine biodiversity is located
in coral reefs
the traditional approach to estimating fish population is the
maximum sustainable yield
What is the formula for calculating population change?
(births+immigration)-(deaths+emigration)
Species that serve as early warnings of environmental damage are called______
indicator species
rain-shadow effect refers to...
moister conditions on the windward side of mountain ranges
in open sea areas winds, ocean currents, and other factors cause water to come up from the depths to the surface bringing nutrients from the ocean bottom. this is called waht
upwelling
with only 2% of its forests remaining, which country has gone from tropical paradise to ecological disaster
haiti