Coastal Ecosystems Quiz

What are coral reefs primarily made of?

• Sodium chloride

• Calcium carbonate

• Silicon dioxide

• Magnesium sulfate

Which ocean region is NOT mentioned as having coral reefs?

• Indo-Pacific

• Arctic Ocean

• Gulf of Mexico

• Western Atlantic

What is the ideal temperature range for coral growth?

• 29°C - 35°C

• 23°C - 29°C

• 35°C - 40°C

• 18°C - 23°C

What type of water do corals need to survive?

• Saltwater

• Brackish water

• Freshwater

• Distilled water

Which type of coral reef is the Great Barrier Reef?

• Atoll

• Patch Reef

• Barrier Reef

• Fringing Reef

Where do mangroves primarily grow?

• Deserts

• Mountains

• Intertidal zones

• Deep ocean

What is a unique feature of mangrove roots?

• They are covered in flowers

• They are smooth and straight

• They are aerial and tangled

• They grow underground

What is the main factor that affects the distribution of sand dunes?

• Temperature

• Salinity

• Wind

• Light

What is the first stage in sand dune succession?

• Grey Dunes

• Yellow Dunes

• Embryo Dunes

• Mature Dunes

What is the primary role of pioneer species in sand dunes?

• To decrease temperature

• To increase salinity

• To stabilize the dunes

• To erode the dunes