Biology 6.4

Multiple Choice

Which of the following is NOT a factor in your ecological footprint?

• the energy you consme

• the water you consume

• the air you breathe

• the food you consume

Multiple Choice

The primary cause of the "hole" in the ozone layer is

• CFC's

• greenhouse gases

• landfills

• overgrowth of algae

Multiple Choice

One possible solution to the decline in the number of fish available for harvest in the world's oceans is

• agriculture

• aquaculture

• overfishing

• more agressive fishing practices

Multiple Choice

Some hibernating species are emerging from hibernation earlier than they have historically. This can be attributed to

• population imbalances

• the "hole" in the ozone layer

• noisy human development near hibernation grounds

• climate change

Multiple Choice

The most important thing that humans can do to slow climate change is

• recycle

• reduce the use of fossil fuels

• grow more gardens

• preserve biodiversity