Applied Science - 2.2 Protecting the Environment

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