Unit 9 Review

Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?

• the hole in the ozone
• the greenhouse effect
• atmospheric pressure
• the inversion layer

The main human activity that releases carbon dioxide (CO₂) into the atmosphere is...

• using bottled water

• burning fossil fuels

• texting on cellphones

• eating meat

Which of the following is contributing to an increase in carbon dioxide (CO₂) in the atmosphere?

• deforestation

• burning fossil fuels

• burning down trees

• all of the above

Melting of glaciers and polar ice caps....

• will result in cooler temperatures in the Arctic
• will result in sea-levels rising
• Will have no effect on ecosystems
• None of the above

The ozone layer is damaged by

• CFCs
• Increase in greenhouse gases
• Increased global temperatures
• Sulfuric and nitric acids

What is the main cause of coral bleaching?

• Higher ocean temperatures

• Not enough carbon dioxide is dissolved in ocean water

• Whales chewing on coral reefs

• Too much sunlight

What is an impact of increased CO₂ dissolving in the world's oceans?

• Increased temperature and increased shell-forming by mollusks.
• Increased eutrophication and decreased photosynthesis.
• Decreased pH and less reef building by coral.
• Increased pH and decreased turbidity

Which law regulates and protects endangered species within the US?

• CITES

• Endangered Species Act

• Kyoto Protocol

• Montreal Protocol

Pick all of the following traits that make a species LESS likely to go extinct:

• Ability to move to a new habitat

• Inability to move to a new habitat

• Being a specialist

• Being a generalist

Pick all of the following traits that make a species More likely to go extinct:

• Ability to move to a new habitat

• Inability to move to a new habitat

• Being a specialist

• Being a generalist