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WorksheetsApplied Science - 2.2 Protecting the Environment
Total questions: 20
Worksheet time: 20mins
What is a habitat?
The natural environment in which an organism lives
The country an organism is originally from
A house
The continent an organism lives on
Which of these are examples of habitats (check 3 answers)?
Africa
River
Desert
Trees
Forest
Which of these is NOT a typical cause of habitat destruction?
Building
Agriculture
Quarrying
Development of technology
Dumping
What is the definition of 'sustainability'?
The ability to provide for our current needs whilst leaving enough resources for future generations
Recycling
Being 'green'
Reducing energy use
How can we manage our household waste effectively (check 2 answers)?
Using biodegradable products/packaging
Cycle to work
Eat more raw foods
Recycling
Which of the following are conservation strategies used to help protect vulnerable species (check 3 answers)?
Reintroducing captive individuals into the wild after a period of care
Protecting habitats from destruction
Reduce the number of cars on the road
Legal protection against threats such as poaching
Hunt animals that are predators
Which of these is a reason why a species may become endangered or extinct?
Habitat destruction
Not fast enough to run from predators
Migration
Breeding seasons changing
Which of the following statements is TRUE?
Heavy metals build in concentration up the food chain and can reach toxic levels in animal bodies
Heavy metals include elements such as lithium and magnesium
Fertilisers encourage plant growth by attracting more pollinators to plants
Overgrowth of algae can sometimes be caused by heavy metals in the water supply
What is bioaccumulation?
Sudden, rapid rise in population
Increasing birth rate
The build up of chemicals to toxic levels in animal bodies
Cumulative weight gain in animals due to overfeeding
Which of the following substances can build up to dangerous levels in animal bodies as a result of bioaccumulation (check 2 answers)?
Nuclear waste
Pesticides
Heavy metals
Fertiliser
What is the biggest issue regarding the use of plastic?
They break down too easily
They give off toxic waste products
They are not biodegradable
Low rates of recycling
In which ways can plastic waste cause harm to animals (check 3 answers)?
Suffocation
Mistakenly eating it
Entanglement
Poison
Confusion
Which of the following statements is FALSE?
Sewage can build up and become hazardous if left in untreated water
It can get into people's homes through the water supply
It is decomposed by microorganisms which use up oxygen in the water
Organisms in water can suffocate
What is eutrophication?
Algae overgrowth as a result of the overuse of fertiliser
A problem caused by untreated sewage
The build up of heavy metals in the food chain
The presence of smog due to air pollution
Which of the following statements is FALSE?
Hundreds of millions of tonnes of waste go to landfill every year
Landfill waste releases harmful toxins
Everything in a landfill will biodegrade in the future
Harmful products from landfill can enter the atmosphere
Select the most appropriate end to the sentence: A pollution indicator...
... tells us exactly how much pollution is present
... tells us about the amount of pollution present if it is in an environment
... tells us about the amount of pollution present if it is missing from an environment
... is always a living thing
Which pollutant are lichens often sensitive to?
Carbon dioxide
Methane
Sulfur dioxide
Sulfur trioxide
Sulfur dioxide is the pollutant that causes __________
Global warming
Greenhouse effect
Melting polar icecaps
Acid rain
Which of the following are non-living indicators of pollution?
Carbon dioxide levels and temperature
Dissolved oxygen levels and pH
Temperature and dissolved oxygen levels
Colour and pH
Which of the following statements is TRUE?
Low dissolved oxygen levels indicate little pollution
A high pH indicates high pollution levels
High dissolved oxygen levels suggest low pollution levels
A low pH suggests low pollution levels
