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Human Impact I Flashcards | StudBud
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Human Impact I
Human Impact I
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Invasive species, deforestation, biomagnification, etc.
Flashcards
29 cards
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Practice quiz
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Questions
29
Answers
1
Which of the following would have the most biodiversity?
undisturbed wetland
Farmland
drained wetland
City
2
What are the consequences of deforestation?
all of the above
climate change
change of weather patterns
Habitat loss
3
deforestation is....
a period of below-average precipitation
the removal of large areas with forests for human purposes.
an area of low rainfall on the down hill slope of a mountain
wind pattern that changes direction with the seasons.
4
TRUE OR FALSE
Roads protect the soil from erosion.
False
True
5
Which of these human actions is
most
harmful to a lake ecosystem?
Making rules to limit the amount of fishing in the lake
Making rules to limit the speed of boats on the lake
Researching plants and animals that live in the lake
Allowing pollution to enter the lake from nearby farms
6
Which natural resource may be negatively affected by more power plants in the area?
Solar energy
Natural gas
Topsoil quality
Clean air
7
Why is the spread of the invasive zebra mussel a concern to scientists?
Zebra mussels are a freshwater species
Zebra mussels outcompete native mussel species.
Zebra mussels are eaten by some fish and birds.
Zebra mussels are a desired food for humans
8
Most invasive species spread by
Native species
Water
Humans
Wind
9
Which of the following is
NOT
a major way that human activity impacts other living things?
Breathing too much oxygen
Overharvesting
Destruction of habitats
Pollution
10
Invasive species
a species ecological role or job
a non native species that negatively alters its new environment
orgnaism living that gets lived on by a parasite, which is being harmed
11
Deforestation causes
drought.
all of the above.
flooding.
soil erosion.
12
Removal of covering vegetation from a hillside may cause what?
Erosion of soil on hillside
Reduction of nitrogen dioxide from the hillside
Earthquakes on hillside
Increased soil on hillside
13
Which of the following can lead to the deaths of large numbers of animals in an area?
All the above
People polluting the land.
People removing too many nutrients from the land.
People taking the land to build new houses.
14
Which has been a negative impact of human population growth on Earth’s environment?
Increased crop varieties in agricultural areas
Developing safer waste disposal methods
Improved water resource management
High levels of air pollution
15
Bioaccumulation
The bio of accumulation
The total mass of dry weight.
Movement of pollutants through levels of a food chain.
Environmental impact on the environments frogs.
16
What is the major negative impact of humans burning fossil fuels?
increased carbon dioxide in the atmosphere
global cooling
increased argon in the oceans
ozone depletion
17
Which practice has
most
allowed for rapidly increasing human population growth?
Restrictions on where people can live
More people owning cars
More people doing the chicken dance
Improvements to medicine
18
Which of the following human activities causes loss of soil?
Leaving soil exposed to wind and rain
Moving grazing animals from field to field
Planting cover crops to hold soil in place
Replanting forests.
19
How did the Zebra Mussel end up in West Michigan?
By ballast water that was discharged by ships from Europe.
By flying
By swiming
By airplanes that came from Europe
20
The Zebra Mussel causes economic harm by
poisoning crabs and other crustaceans
clogging pipes and other structures
parasitizing economically-important fish
increasing the price of seafood
21
Which is the best way to manage the use of trees?
cut down most of the trees from forests
plant a tree each time one is cut down
recycle less paper
build more lumber mills for cutting up trees into wood
22
What habitat is destroyed through humans using clear-cutting and slash-and-burn agriculture?
Tropical rainforests
Savannas
Subtropical deserts
Temperate grasslands
23
Biomagnification is...
the study of microscopic biology
when toxin/contaminate concentrations increases up the food chain
instant death
when toxin concentrations decrease moving up the food chain
24
Why are zebra mussel populations so much lower in Europe than in North America?
Lakes are larger in Europe than in North America.
Zebra mussel populations are the same wherever they live.
There is more food in European ecosystems.
There are predators in Europe.
25
Which organism would contain the most DDT in its tissues?
Algae -> Minnow -> Bass -> Osprey
osprey
bass
algae
minnow
26
How does Biomagnification occur?
Migration patterns
Absorption through water ways
Different water temperatures
A predator eats contaminated prey
27
How have human activities affected extinction rates of living organisms?
Extinction rates are higher than would be normally expected.
Extinction rates of living organisms are about the same.
Living organisms no longer go extinct
Extinction rates are lower than would be normally expected.
28
Why is the zebra mussel a problem in Lake Erie?
The black and white stripes scare the other sea animals
They are invasive to this area & there are too many of them
Other animals love to eat it and become overweight
It's sharp and cuts you when you touch it
29
Invasive species are...
A species that causes harm to an ecosystem
A non-native species to an ecosystem that causes harm
Non-native species to an area
A species from another country
