Coral Reef EXAM

Front

How many turtles survive to breeding age for every 1,000 eggs laid (with human interference)?

Back

2 turtles survive.

Front

What type of symmetry does a starfish have?

Back

Radial symmetry.

Front

How do coral obtain their food?

Back

Coral obtain food by both catching it with their tentacles and being fed by zooxanthellae.

Front

How do sea turtles navigate the oceans to return to the same beach where they hatched?

Back

They use Earth's magnetic fields.

Front

What is the largest reef in the world?

Back

The Great Barrier Reef.

Front

What are zooxanthellae?

Back

Zooxanthellae are symbiotic algae that live within coral tissues and provide them with food through photosynthesis.

Front

What is the role of coral reefs in marine ecosystems?

Back

Coral reefs provide habitat, shelter, and food for many marine organisms, supporting biodiversity.

Front

What factors threaten coral reefs?

Back

Factors include climate change, ocean acidification, pollution, overfishing, and destructive fishing practices.

Front

What is coral bleaching?

Back

Coral bleaching occurs when corals expel their zooxanthellae due to stress, leading to a loss of color and vital nutrients.

Front

What is the significance of the Great Barrier Reef?

Back

The Great Barrier Reef is the largest coral reef system in the world and a UNESCO World Heritage site, known for its biodiversity.