Human Impact

Coal is not a renewable resource.

• True

• False

What factor does not determine the size of an individual's ecological footprint?X

• amount and efficiency of resource use

• amount of waste produced

• size of population

• toxicity of waste produced

Which is not an example of human impact that causes a great threats to biodiversity on Earth?X

• habitat destruction

• loss of drinking water

• increase in food supply

• pollution

Which term describes the practice of managing resources so that current needs are met without harming future generations?X

• species introduction

• sustainable development

• habitat fragmentation

• biomagnification

An example of point source pollution is....

• trash floating in the ocean

• oil spilling from a supertanker

An example of a non-point solution is.....

• waste water from leaking pipe

• fertilizer runoff from lawns

A body of water that has high turbidity is clear not cloudy.

• False

• True

Which of the following are indicators of healthy water systems?X

• high nitrates, high pH, and low temperatures

• low temperatures, high dissolved oxygen, and neutral pH

Acid Rain is a kind of pollution that could cause low pH in a lake.

• True

• False

The Jones family cares about the environment. They run their dishwasher only when it is completely full. Which of the following BEST explains why they do this?X

• To save money

• To recycle dish soap

• To reduce sewage

• To conserve water