16.1
Which of these is an example of a nonrenewable resource?
a. Sun
b. water
c. wind
d. coal
d. coal
the trend in increasing global temperatures as a result of increased levels of greenhouse gases.
Global Warming
How can fertilizers used on lawns and fields affect a lake?
They can stimulate excess plant and algae growth.
Which of these is a problematic invasive species in the United States?
a. kudzu
b. house mouse
c. grey wolf
d. bamboo
a. kudzu
This law helps prevent our waterways from being polluted
Clean Water Act
the size of a population that the environment can sustain is
Carrying Capacity
____________ is the addition of any undesirable factor to the air, water, or soil. There are many types of pollution and it happens all around us
Pollution
those species that provide a sign, or indication, that there may be a problem with pollution in an ecosystem
prevents an organism from accessing its entire home range
Habitat Fragmentation
____________________ in the United States is designed to protect species that may be near extinction
Endangered Species Act
Which of the following statements is true of Earth’s carrying capacity?
a. It is infinitely expandable.
b. It was reached in the last century.
c. It has been increased by technology.
d. It grows larger as population increases.
c. It has been increased by technology.
__________ __________ is precipitation produced when pollutants in the water cycle cause rain’s pH to drop below normal levels
Acid Rain
In addition to particulates, smog contains
Ground-level ozone
What is biodiversity?
The variety of different species in an ecosystem
This law serves to minimize the amount of pollution that is pumped into our air.
Clean Air Act
The amount of land needed to support a person is called his or her
Ecological footprint
The normal process in which greenhouse gases, such as carbon dioxide and methane, absorb some of the energy released by Earth’s surface to help keep our planet warm
Greenhouse effect
What happens during biomagnification?
Pollutants increase in concentration as they move up the food chain
How can introduced species disrupt ecosystems?
a. by causing habitat fragmentation
b. by increasing biodiversity
c. by crowding out native species
d. by decreasing competition
c. by crowding out native species
__________ is a practice in which natural resources are used and managed in a way that meets current needs without hurting future generations.
Sustainable Development
Name the two advancements that have led to increased carrying capacity for human beings on earth
Medical and Farming
How do greenhouse gases affect Earth’s atmosphere?
They slow the loss of heat.
Which of the following organisms is likely to be most affected by biomagnification of a pollutant
a. phytoplankton
b. zooplankton
c. fish
d. hawk
Hawk
Which of these is a major cause of extinction?
a. biodiversity
b. loss of habitat
c. the greenhouse effect
d. use of plants for medicine
b. loss of habitat
How does the protection of an umbrella species benefit an entire ecosystem?
By protecting an endangered species' habitat, you are also protecting all of the other species within that habitat.