Article: Loss of Coral Reefs/ Fading Colors

What is the primary cause of coral reef decline?

• Overfishing

• Climate change

• Pollution

• Deforestation

How much of the ocean floor do coral reefs cover?

• 10%

• 5%

• 1%

• 15%

Image of coral bleaching, 2018

• Image of coral bleaching, 2018

• Image of a healthy coral reef, 2018

• Image of a forest, 2018

• Image of a desert, 2018

What are coral reefs?

• Forests of tall trees

• Diverse underwater ecosystems formed by colonies of tiny marine animals called corals

• Large mountains under the sea

• Sandy beaches with palm trees

What is biodiversity?

• The variety of plant and animal life in a particular habitat

• The number of fish in the ocean

• The amount of sunlight in a forest

• The height of trees in a jungle

What are ecosystems?

• Single species living alone

• Communities of living organisms and their environments

• Groups of rocks and minerals

• Areas with no life

What is erosion?

• The building of mountains

• The gradual wearing away of land or soil by natural forces like water or wind

• The growth of plants

• The formation of clouds

What causes ocean warming?

• Decrease in sunlight

• Increase in sea temperatures due to climate change

• Reduction in greenhouse gases

• Increase in fish population

What is climate change?

• Short-term weather changes

• Long-term changes in temperature and atmospheric conditions

• Sudden increase in rainfall

• Temporary cooling of the Earth

What does biodiversity refer to?

• The number of fish in the ocean

• The variety of plant and animal life in a habitat

• The amount of sunlight in an area

• The temperature of the ocean