NEW
Font size
S
M
L
XL
WorksheetsLGE- Human Impact
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
What are some consequences of deforestation?
a)
increased population in cities
b)
building of more infrastructure
c)
soil erosion, loss of ability of trees to remove CO2 from the atmosphere
d)
more mercury and cyanide released into rivers
2.
Which human activity is correctly paired with its likely future consequence?
a)
overfishing in the Atlantic — increase in supply of flounder and salmon as food for people
b)
development of electric cars or hybrid vehicles — increased rate of global warming
c)
use of fossil fuels — depletion of underground coal, oil, and natural gas supplies
d)
genetically engineering animals — less food available to feed the world’s population
3.
What are renewable resources?
a)
Resources
that are used faster than they form
b)
a.
Resources that can replenish
themselves over time
c)
a.
Resources that exist only in urban
areas
d)
Resources
that exist only in rural areas
4.
How could you save natural resources?
a)
leave your bedroom lights on
b)
use fertilizer in your yard
c)
take a bus or the subway
d)
become a vegetarian
5.
Which of the following is NOT a way that water is affected by the mining of resources from land.
a)
Contaminants leach into the underground water (aquifers).
b)
Mines divert water to another river to keep it from getting dirty.
c)
All of these are ways mining affects aquatic ecosystems.
d)
Runoff from mine areas end up in the nearest body of water.
6.
Which of the following is the correct composition of Earth's atmosphere?
a)
78% oxygen, 21% nitrogen, 1% other
b)
78% nitrogen, 21% oxygen, 1% other
c)
50 % oxygen, 50% nitrogen
d)
75% oxygen, 25% nitrogen
7.
What method is used by farmers to replenish soil nutrients taken by growing crops?
a)
contour plowing
b)
wind breaks
c)
minimum tilling
d)
crop rotation
8.
Which human activity would preserve nonrenewable resources?
a)
deforestation
b)
removing
carnivores from a forest
c)
recycling
d)
heating homes with fossil fuels
9.
Increased industrialization will most likely
a)
decrease
available habitats
b)
increase
environmental carrying capacity
c)
increase
the stability of ecosystems
d)
decrease
global warming
10.
Which human activity would most likely deplete nonrenewable resources?
a)
use
of natural enemies to eliminate insect pests
b)
development
of wildlife refuges
c)
governmental
restriction of industrial pollution
d)
increased use of fossil fuels
11.
Deforestation of areas considered to be rich sources of genetic material could limit future agricultural and medical advances due to
a)
the
maintenance of dynamic equilibrium
b)
the
loss of biodiversity
c)
an
increase in the ecosystem’s carrying capacity
d)
the
depletion of the ozone layer
12.
Many common products, such as wooden furniture, paper, and books, are made from trees. Which of the following is a likely consequence of humans cutting down a forest in order to make use of the natural resources there?
a)
the
decrease of chemical runoff into the oceans
b)
increased
acid rain
c)
the
increase of light pollution in cities
d)
the
destruction of habitats
13.
Humans often change ecosystems as a result of population growth, consumption, and technology. Which of the following exemplifies a way in which humans modify ecosystems?
a)
factory
and automotive emissions causing acid rain
b)
redirecting
and storing freshwater behind dams
c)
cutting
down trees to build new buildings and roads
d)
all
of these
14.
any undesirable factor added to the air, water, or soil
a)
particulates
b)
ozone
c)
pollution
d)
smog
15.
What is deforestation?
a)
throwing someone out of a window
b)
selectively cutting trees for lumber, making sure the forest remains healthy
c)
allowing more animals to graze on the land than it can support
d)
cutting and removal of rainforest
Reset
