Quiz 3 Ecology

Bioaccumulation (or biomagnification) refers to....

• 90% of the energy stored in one trophic level being transferred to the trophic level above

• The build up of chemicals in living organisms through each successive trophic level

• 10% of the energy stored in one trophic level being transferred to the trophic level above

• DDT getting into the waterways and causing algal blooms

Transpiration is

• Water leaving plants and entering the atmosphere

• Liquid water becoming solid

• Solid water (ice) melting

• Gaseous water becoming liquid

When fossil fuels undergo combustion...

• The earth gets cooler over time

• The carbon in carbon dioxide from the atmosphere gets incorporated into plant and animal tissue

• Phosphorus, coal, and methane are produced

• The carbon stored in the fossil fuels re-enters the atmosphere as carbon dioxide

Global warming describes the phenomena by which

• The earth enters into a mini-ice age

• The earth orbits closer to the sun

• The earth gets warmer due to an increase in carbon dioxide and methane in the atmosphere

• None of the above

Aquifers refer to

• Groundwater

• Ocean

• Rivers and streams

• Lakes