Topic 7: Human Impact

Adding carbon dioxide to atmosphere has what effect on the globe?

• It decreases atmospheric temperatures

• It increases atmospheric temperatures

• It has no impact

What are Nonrenewable resources? 

• Resources that can be replaced in a short amount of time  
• Resources that are used faster than they can be replaced 
• Resources America does not use

Name Two examples of Nonrenewable resources?

• Coal and Oil
• Biomass and Wind Turbines
• Tidal and Geothermal

Name two examples of Renewable energy?

• Coal and Nuclear
• Oil and Gas
• Solar Panels and Hydroelectric

What is global warming

• the normal temperature fluctuations of Earth's climate cycle

• the melting of the polar ice caps

• the trend of increasing temperatures on Earth

• the changes in Earth's biosphere that affect the atmosphere

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

• species introduction

• sustainable development

• habitat fragmentation

• biomagnification

What is the main cause of introduced species?

• Travelling species

• Strong wind

• Human introduction

• Seeds carried on animals

Match the following problem with its definition

• Organisms are going extinct

• Ozone Depletion

• Toxins are concentrated in top consumers

• Global Warming

• The protective O₃ gas layer is destroyed

• Bio-magnification

• Earth's Temperatures are increasing

• Loss Of Biodiversity

Match the following problem with its picture

• Bio-Magnification

• 
• Ozone Depletion

• 
• Global Warming

• 
• Loss of Biodiversity

• 

What is a biological control?

• A method of controlling pests using other living organisms

• A method of controlling pests using traps

• A method of controlling pests using weather modification

• A method of controlling pests using chemical pesticides