Resources & Biodiversity 27th Sep

Geothermal energy uses ----------------- to produce electricity.

• steam wells
• corn
• the sun
• the wind

Which of the following is a major cause of air pollution?

• burning fossil fuel

• dumping waste in landfills

• using wind and solar energy

• releasing waste into rivers, lakes, streams...

Most renewable energy originates from .

• fossil fuels

• the ground

• the Sun

• uranium

What form of alternative energy uses plants and animal waste and turns it into sugar and then liquid fuel?

• geothermal power
• biomass power
• solar power
• hydroelectric power

Biodiversity, aka biological diversity, usually refers to

• the same species in a general location

• the number of different species in a given area

• the number of animal species in a given area

• the number of plant species in a given area

Species that are clearly critical to the functioning of an ecosystem are known as

• biodiversity

• keystone species

• main species

• native species

A species that is likely to become extinct if protective measures are not taken immediately is known as

• threatened species

• endemic species

• keystone species

• endangered species

An exotic species is

• a species that is not native to a particular region

• a newly discovered species in a particular region

• a genetically modified species in a particular region

• a species that is native to a particular region

a species that is not native to a particular region and has no natural predators and little competition

• consumer species

• producer species

• invasive species

• adapted species

An endemic species is

• exotic and found everywhere

• exotic and found only in certain regions

• native and found only in a limited area

• native and found everywhere