Coral Reef And Climate Change

What percentage of the ocean is taken up by coral reefs?

• less than 1%

• 10-12%

• 25%

• more than 50%

What percentage of the ocean's sea life lives in coral reefs?

• 10 -15%

• 20%

• 25%

• 40%

Where is the Great Barrier Reef located?

• Puerto Rico

• Florida

• Indonisia

• Australia

What are coral reefs often compared to?

• Deciduous forests

• Gardens

• Rainforests

• Deserts

The 2 substances coral need from seawater to make their hard skeletons (2 answers):

• Calcium

• Polyps

• Carbon dioxide

• Excess nutrients

What builds up over time to form a reef?

• Sand

• Coral skeletons

• Fish bones

• Rocks

Coral reefs are endangered by...

• climate change

• pollution

• overfishing

• all of the above

What causes coral bleaching?

• oil spills

• overfishing

• warmer water temperatures

• red tide

What is the largest coral reef on the planet

• Rainbow Reef, Fiji

• Amazon Reef, Brazil

• Arch Reef, Florida

• Great Barrier Reef, Australia

What builds up over time to form a reef?

• Sand

• Fishbones

• Coral skeletons

• Rocks