Female Anopheles mosquitos are the _ _ _ _ _ _ for malaria.
vector
Name two igneous rocks.
basalt, obsidian, granite
State one strategy to control malaria.
anti-malarial drugs; mosquito nets; control of mosquito population
Name the energy source.
wind power
Name two metamorphic rocks.
marble, slate, gneiss
Is malaria a virus or parasite?
virus
parasite
State the type of mine.
open pit / open cast / quarry
Which of these is NOT a component of soil?
organic matter
magma
air
water
State an impact of El Nino on the people living in South America.
loss of income, loss of jobs, starvation
Name the type of farming in the picture.
arable - subsistence
pastoral - commercial
arable - commercial
pastoral - subsistence
Name the type of farming in the picture.
pastoral - subsistence
pastoral - commercial
arable - commercial
arable - subsistence
State the four components of soil.
organic matter, inorganic minerals, water, air
Does the image depict a normal year or an El Nino year?
Normal
El Nino
Name the type of rock.
sedimentary
State three examples of renewable energy sources.
biofuels; geothermal; hydroelectric; tidal; wave; solar; wind power
Describe how turbines generate electricity.
the turbine spins, turning a generator, which generates electricity
State the name of the process shown.
evaporation
State one strategy to control cholera.
boiling water; chlorination
State two impacts of the greenhouse effect.
melting sea ice, sea level rise, drought, extreme weather, crop damage, loss of biodiversity ...
State three ways in which trees reduce soil erosion.
roots hold soil together, leaves intercept rainfall, act as windbreaks, slow down surface run-off
State the type of mine.
shaft / subsurface
Describe the process of bioaccumulation.
small organisms consume toxin; get eaten by larger organisms; toxins pass up food chain in larger numbers; large numbers of toxin found in apex predators
A _ _ _ _ _ _ _ _ is grown by a farmer to sell for profit.
cash crop
State two impacts of acid rain.
water acidification; fish death; damage to vegetation; acidification of soil
A small population size means there is a ______ of genetic diversity.
loss
Name the rock.
limestone
State the name of the process shown.
precipitation
State two components of soil that are not solid.
air, water
State the name of the process shown.
groundwater flow
Describe how an El Nino event can decrease the number of fish on the Pacific Coast of South America.
westerly trade winds slow down, warm water accumulates in east Pacific Ocean, upwelling is reduced, no nutrients brought to surface, productivity declines
Name the type of rock.
igneous
Name the energy source.
wave power
What is the smallest type of soil particle?
clay
sand
silt
State three impacts of mining on the environment.
noise pollution; air pollution; water pollution; loss of habitat; loss of biodiversity
What type of soil particle is medium-sized?
silt
clay
sand
Name the type of farming in the picture.
arable - subsistence
pastoral - commercial
pastoral - subsistence
arable - commercial
Name the energy source.
solar power
State two impacts of melting sea ice
sea level rise, habitat loss, loss of coastal ecosystems, coastal erosion, loss of islands and coastal cities
Name five strategies for preventing overfishing.
aquaculture; net size, mesh size and shape; pole and line fishing; quotas; closed seasons; MPAs; conservation laws; international agreements
What is the vector for malaria?
female (Anopheles) mosquitos
State one strategy for the sustainable use of rocks.
increased efficiency in extraction; increased efficiency in use; recycling rocks; legislation
Name the energy source.
geothermal power
Which of these is NOT an impact of the greenhouse effect?
melting sea ice
loss of biodiversity
sea level rise
ozone depletion
Why is upwelling important for fish populations?
cycles nutrients; speeds up photosynthesis; provides energy for food chain
Suggest two advantages of adding organic matter to soil.