Arbeitsblatt: Great Barrier Reef

GREAT BARRIER REEF The Great Barrier Reef is the world largest coral reef system, composed of about 3,000 composed of zusammengesetzt aus individual reefs and 900 islands. The Great Barrier Reef is located in the northeast of Australia. It stretches about 3000 stretch erstrecken kilometers over an area of approximately approximately etwa 344,400 square square kilometres km kilometres. Thats more than 8 times the size of 8 times 8 mal Switzerland! Whats coral reef? Coral reefs are living structures built up over build up aufbauen thousands of years by tiny animals. These animals tiny winzig are called polyps. The polyps body is just sack with mouth. Around the mouth is ring of tentacles. Coral polyps usually live together in groups. Each polyp makes stony skeleton around stony skeleton steiniges Skelet its body. The skeletons of all the polyps in group are joined together. When the polyps die, their join verbinden delicate bodies decay. Their hard skeletons remain decay zerfallen, remain bleiben behind. New polyps grow on the top of the ones grow wachsen that died. Gradually, over long periods of time, reefs of coral skeletons are built up in the ocean, with living coral on the surface. source: surface Oberfläche Tasks 1. Mark the location of the Great Barrier Reef on the map. 2. Complete the following sentences. The Great Barrier Reef is the largest of the world. Switzerland would fit in the Great Barrier Reef. 3. Label the following two parts of the coral. stomach 4. Try to explain in German how coral reefs develop€. Vocabulary 1 2 3 to fit in sth in etwas hineinpassen stomach Magen develop entstehen