Coral Reef Notes

Multiple Choice

What are corals?

• living organisms

• non-living structures

• abiotic

• terrestrial

Multiple Choice

What is the main abiotic factor that will determine the location of a reef?

• light
• depth
• salinity
• temperature

Multiple Choice

What are coral reefs often compared to?

• temperate forests

• organic vegetable gardens

• tropical rainforests

• arid deserts

Multiple Choice

Which of these conditions are ideal for coral reefs?

• cold and deep water

• warm and shallow water

• cold and shallow water

• warm and deep water

Multiple Choice

Coral Reefs are....

• The Rainforest of the Sea

• Marine Deserts

• Aquatic Plant Beds

• Frozen Wonderlands

Multiple Choice

What percentage of the ocean's biodiversity (different species) live in coral reefs?

• 10 -15%

• 20%

• 45%

• 25%

Multiple Choice

What is the biggest economic benefit of coral reefs?

• filtration
• habitat
• tourism
• protection of shoreline

Multiple Choice

What is the biggest ecological benefit of coral reefs?

• tourism
• seafood
• habitat
• protection of shoreline

Multiple Choice

What causes coral bleaching?

• oil spills

• warmer water temperatures

• overfishing

• red tide

Multiple Select

Choose the facts that demonstrate idea that the coral reefs are in danger of disappearing.

• Ocean ecosystems have great diversity.

• Fishing methods are upsetting the balance of the ecosystem

• Animals are using the branches to hide.

• Water pollution also damages water.

Multiple Choice

Do coral reefs have any chance of surviving?

• Yes, but only with our help

• No, they are dead

• Maybe, it depends on future events